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222220010020 = 22531677529423
BaseRepresentation
bin1100111011110101011…
…0000100001000100100
3210020120220011010222111
43032331112010020210
512120101310310040
6250030402010404
722024550630221
oct3167526041044
9706526133874
10222220010020
1186274447648
1237099046a04
1317c559132b8
14aa81172948
155ba9060dea
hex33bd584224

222220010020 has 48 divisors (see below), whose sum is σ = 482428090368. Its totient is φ = 85893425280.

The previous prime is 222220010011. The next prime is 222220010069. The reversal of 222220010020 is 20010022222.

222220010020 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 155029 + ... + 684451.

It is an arithmetic number, because the mean of its divisors is an integer number (10050585216).

Almost surely, 2222220010020 is an apocalyptic number.

222220010020 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 222220010020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (241214045184).

222220010020 is an abundant number, since it is smaller than the sum of its proper divisors (260208080348).

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

222220010020 is a wasteful number, since it uses less digits than its factorization.

222220010020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 530140 (or 530138 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 13.

Adding to 222220010020 its reverse (20010022222), we get a palindrome (242230032242).

The spelling of 222220010020 in words is "two hundred twenty-two billion, two hundred twenty million, ten thousand, twenty".

Divisors: 1 2 4 5 10 20 31 62 124 155 310 620 677 1354 2708 3385 6770 13540 20987 41974 83948 104935 209870 419740 529423 1058846 2117692 2647115 5294230 10588460 16412113 32824226 65648452 82060565 164121130 328242260 358419371 716838742 1433677484 1792096855 3584193710 7168387420 11111000501 22222001002 44444002004 55555002505 111110005010 222220010020