20336506939908 has 72 divisors (see below), whose sum is σ = 52666073099640. Its totient is φ = 6612732887040.

The previous prime is 20336506939871. The next prime is 20336506939919. The reversal of 20336506939908 is 80993960563302.

20336506939908 is a `hidden beast` number, since 2 + 0 + 3 + 3 + 6 + 506 + 9 + 39 + 90 + 8 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 138151969344 + 20198354970564 = 371688^2 + 4494258^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12032116 + ... + 13617812.

It is an arithmetic number, because the mean of its divisors is an integer number (731473237495).

Almost surely, 2^{20336506939908} is an apocalyptic number.

It is an amenable number.

20336506939908 is an abundant number, since it is smaller than the sum of its proper divisors (32329566159732).

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

20336506939908 is a wasteful number, since it uses less digits than its factorization.

20336506939908 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1594437 (or 1594432 counting only the distinct ones).

The product of its (nonzero) digits is 56687040, while the sum is 63.

The spelling of 20336506939908 in words is "twenty trillion, three hundred thirty-six billion, five hundred six million, nine hundred thirty-nine thousand, nine hundred eight".