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220333320020 = 225111019915991
BaseRepresentation
bin1100110100110011100…
…0111010011101010100
3210001201102000100212002
43031030320322131110
512102220312220040
6245115243414432
721630031214252
oct3151470723524
9701642010762
10220333320020
1185496462510
1236851224418
1317a14a8ca98
14a9427715d2
155ae85d1a15
hex334ce3a754

220333320020 has 48 divisors (see below), whose sum is σ = 509761316736. Its totient is φ = 79327920000.

The previous prime is 220333319953. The next prime is 220333320023. The reversal of 220333320020 is 20023333022.

It is a super-2 number, since 2×2203333200202 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 220333319974 and 220333320001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220333320023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4935776 + ... + 4980215.

It is an arithmetic number, because the mean of its divisors is an integer number (10620027432).

Almost surely, 2220333320020 is an apocalyptic number.

220333320020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220333320020 is an abundant number, since it is smaller than the sum of its proper divisors (289427996716).

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

220333320020 is a wasteful number, since it uses less digits than its factorization.

220333320020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9916112 (or 9916110 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 20.

Adding to 220333320020 its reverse (20023333022), we get a palindrome (240356653042).

The spelling of 220333320020 in words is "two hundred twenty billion, three hundred thirty-three million, three hundred twenty thousand, twenty".

Divisors: 1 2 4 5 10 11 20 22 44 55 101 110 202 220 404 505 1010 1111 2020 2222 4444 5555 11110 22220 9915991 19831982 39663964 49579955 99159910 109075901 198319820 218151802 436303604 545379505 1001515091 1090759010 2003030182 2181518020 4006060364 5007575455 10015150910 11016666001 20030301820 22033332002 44066664004 55083330005 110166660010 220333320020