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22002112012020 = 223571723133979491
BaseRepresentation
bin1010000000010110001000…
…00100100001111011110100
32212220101022000102200110020
411000023010010201323310
510340440311133341040
6114443344122525140
74430412563233260
oct500130404417364
985811260380406
1022002112012020
1170130527007a8
1225741a69667b0
13c37a3728055a
14560c9d4030a0
152824d349ecd0
hex1402c4121ef4

22002112012020 has 192 divisors, whose sum is σ = 77789564891136. Its totient is φ = 4527434926080.

The previous prime is 22002112012019. The next prime is 22002112012079. The reversal of 22002112012020 is 2021021120022.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

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 63 ways as a sum of consecutive naturals, for example, 66825526 + ... + 67153965.

It is an arithmetic number, because the mean of its divisors is an integer number (405153983808).

Almost surely, 222002112012020 is an apocalyptic number.

22002112012020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22002112012020 is an abundant number, since it is smaller than the sum of its proper divisors (55787452879116).

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

22002112012020 is a wasteful number, since it uses less digits than its factorization.

22002112012020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133979550 (or 133979548 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 22002112012020 its reverse (2021021120022), we get a palindrome (24023133132042).

The spelling of 22002112012020 in words is "twenty-two trillion, two billion, one hundred twelve million, twelve thousand, twenty".