20061237651356 has 96 divisors (see below), whose sum is σ = 41362755840000. Its totient is φ = 8417271582720.

The previous prime is 20061237651337. The next prime is 20061237651401. The reversal of 20061237651356 is 65315673216002.

It is a super-2 number, since 2×20061237651356² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20061237651356.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 58495676 + ... + 58837628.

It is an arithmetic number, because the mean of its divisors is an integer number (430862040000).

Almost surely, 2^{20061237651356} is an apocalyptic number.

It is an amenable number.

20061237651356 is an abundant number, since it is smaller than the sum of its proper divisors (21301518188644).

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

20061237651356 is a wasteful number, since it uses less digits than its factorization.

20061237651356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 344019 (or 344017 counting only the distinct ones).

The product of its (nonzero) digits is 1360800, while the sum is 47.

The spelling of 20061237651356 in words is "twenty trillion, sixty-one billion, two hundred thirty-seven million, six hundred fifty-one thousand, three hundred fifty-six".