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2222404420020 = 2235891507327611
BaseRepresentation
bin100000010101110001101…
…000000100000110110100
321212110102011222222220120
4200111301220010012310
5242402441012420040
64420543011331540
7316364152611621
oct40256150040664
97773364888816
102222404420020
117875753a2394
122ba8728b0bb0
131317584338c5
14797ca307348
153cc233187d0
hex20571a041b4

2222404420020 has 96 divisors (see below), whose sum is σ = 6293296114560. Its totient is φ = 585922191360.

The previous prime is 2222404420009. The next prime is 2222404420021. The reversal of 2222404420020 is 200244042222.

It is a super-2 number, since 2×22224044200202 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2222404420021) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 80476015 + ... + 80503625.

It is an arithmetic number, because the mean of its divisors is an integer number (65555167860).

Almost surely, 22222404420020 is an apocalyptic number.

2222404420020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2222404420020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3146648057280).

2222404420020 is an abundant number, since it is smaller than the sum of its proper divisors (4070891694540).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2222404420020 is a wasteful number, since it uses less digits than its factorization.

2222404420020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42785 (or 42783 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 24.

Adding to 2222404420020 its reverse (200244042222), we get a palindrome (2422648462242).

The spelling of 2222404420020 in words is "two trillion, two hundred twenty-two billion, four hundred four million, four hundred twenty thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 89 178 267 356 445 534 890 1068 1335 1780 2670 5340 15073 27611 30146 45219 55222 60292 75365 82833 90438 110444 138055 150730 165666 180876 226095 276110 301460 331332 414165 452190 552220 828330 904380 1341497 1656660 2457379 2682994 4024491 4914758 5365988 6707485 7372137 8048982 9829516 12286895 13414970 14744274 16097964 20122455 24573790 26829940 29488548 36860685 40244910 49147580 73721370 80489820 147442740 416180603 832361206 1248541809 1664722412 2080903015 2497083618 4161806030 4994167236 6242709045 8323612060 12485418090 24970836180 37040073667 74080147334 111120221001 148160294668 185200368335 222240442002 370400736670 444480884004 555601105005 740801473340 1111202210010 2222404420020