20134665037908 has 36 divisors (see below), whose sum is σ = 51058565771668. Its totient is φ = 6690112341120.

The previous prime is 20134665037889. The next prime is 20134665038023. The reversal of 20134665037908 is 80973056643102.

20134665037908 is a `hidden beast` number, since 2 + 0 + 1 + 3 + 4 + 66 + 503 + 79 + 0 + 8 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 6365014318404 + 13769650719504 = 2522898^2 + 3710748^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 893433223 + ... + 893455758.

It is a 2-persistent number, because it is pandigital, and so is 2⋅20134665037908 = 40269330075816, but 3⋅20134665037908 = 60403995113724 is not.

Almost surely, 2^{20134665037908} is an apocalyptic number.

It is an amenable number.

20134665037908 is an abundant number, since it is smaller than the sum of its proper divisors (30923900733760).

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

20134665037908 is a wasteful number, since it uses less digits than its factorization.

20134665037908 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1786889304 (or 1786889299 counting only the distinct ones).

The product of its (nonzero) digits is 6531840, while the sum is 54.

The spelling of 20134665037908 in words is "twenty trillion, one hundred thirty-four billion, six hundred sixty-five million, thirty-seven thousand, nine hundred eight".