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220020120010012 = 22717330945340181
BaseRepresentation
bin110010000001101101101101…
…000110001011110100011100
31001212000201101110102222021011
4302001231231012023310130
5212314302201210310022
62055535503041145004
764225633452525640
oct6201555506136434
91055021343388234
10220020120010012
1164118010918733
122081545902b164
13959ca67a78b8a
143c49060086c20
151a68365499977
hexc81b6d18bd1c

220020120010012 has 24 divisors (see below), whose sum is σ = 440042788775520. Its totient is φ = 94293790985280.

The previous prime is 220020120010001. The next prime is 220020120010051. The reversal of 220020120010012 is 210010021020022.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 220020120009974 and 220020120010001.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17817439 + ... + 27522742.

It is an arithmetic number, because the mean of its divisors is an integer number (18335116198980).

Almost surely, 2220020120010012 is an apocalyptic number.

It is an amenable number.

220020120010012 is an abundant number, since it is smaller than the sum of its proper divisors (220022668765508).

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

220020120010012 is a wasteful number, since it uses less digits than its factorization.

220020120010012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45513501 (or 45513499 counting only the distinct ones).

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

Adding to 220020120010012 its reverse (210010021020022), we get a palindrome (430030141030034).

The spelling of 220020120010012 in words is "two hundred twenty trillion, twenty billion, one hundred twenty million, ten thousand, twelve".

Divisors: 1 2 4 7 14 28 173309 346618 693236 1213163 2426326 4852652 45340181 90680362 181360724 317381267 634762534 1269525068 7857861428929 15715722857858 31431445715716 55005030002503 110010060005006 220020120010012