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222211010202020 = 22571587221501443
BaseRepresentation
bin110010100001100110001000…
…010101000000100110100100
31002010210011110100212022110122
4302201212020111000212210
5213111201122102431040
62104334155005341112
764543133661065030
oct6241461025004644
91063704410768418
10222211010202020
1164892184259084
1220b09b95867798
1396cb5401b3288
143cc30dabbb1c0
151aa5341c7e1b5
hexca19885409a4

222211010202020 has 24 divisors (see below), whose sum is σ = 533306424485184. Its totient is φ = 76186632069216.

The previous prime is 222211010202017. The next prime is 222211010202073. The reversal of 222211010202020 is 20202010112222.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 222211010202020.

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 7 ways as a sum of consecutive naturals, for example, 793610750582 + ... + 793610750861.

It is an arithmetic number, because the mean of its divisors is an integer number (22221101020216).

Almost surely, 2222211010202020 is an apocalyptic number.

222211010202020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222211010202020 is an abundant number, since it is smaller than the sum of its proper divisors (311095414283164).

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

222211010202020 is a wasteful number, since it uses less digits than its factorization.

222211010202020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1587221501459 (or 1587221501457 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 222211010202020 its reverse (20202010112222), we get a palindrome (242413020314242).

The spelling of 222211010202020 in words is "two hundred twenty-two trillion, two hundred eleven billion, ten million, two hundred two thousand, twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 1587221501443 3174443002886 6348886005772 7936107507215 11110550510101 15872215014430 22221101020202 31744430028860 44442202040404 55552752550505 111105505101010 222211010202020