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22020012011020 = 2251957947400029
BaseRepresentation
bin1010000000110111011101…
…11111100110111000001100
32212222002111111102211220011
411000123232333212320030
510341233441033323040
6114455504234003004
74431615265560262
oct500335677467014
985862444384804
1022020012011020
11701a6a87a0a01
122577761576464
13c3962a869a3a
14561aba83c432
15282bceba33ea
hex1406eefe6e0c

22020012011020 has 24 divisors (see below), whose sum is σ = 48675816025200. Its totient is φ = 8344425604032.

The previous prime is 22020012011017. The next prime is 22020012011027. The reversal of 22020012011020 is 2011021002022.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (22020012011027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28973699635 + ... + 28973700394.

It is an arithmetic number, because the mean of its divisors is an integer number (2028159001050).

Almost surely, 222020012011020 is an apocalyptic number.

22020012011020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22020012011020 is an abundant number, since it is smaller than the sum of its proper divisors (26655804014180).

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

22020012011020 is a wasteful number, since it uses less digits than its factorization.

22020012011020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57947400057 (or 57947400055 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 22020012011020 its reverse (2011021002022), we get a palindrome (24031033013042).

The spelling of 22020012011020 in words is "twenty-two trillion, twenty billion, twelve million, eleven thousand, twenty".

Divisors: 1 2 4 5 10 19 20 38 76 95 190 380 57947400029 115894800058 231789600116 289737000145 579474000290 1101000600551 1158948000580 2202001201102 4404002402204 5505003002755 11010006005510 22020012011020