20346502665135 has 32 divisors (see below), whose sum is σ = 32747374038528. Its totient is φ = 10787163200640.

The previous prime is 20346502665127. The next prime is 20346502665163. The reversal of 20346502665135 is 53156620564302.

It is a happy number.

It is not a de Polignac number, because 20346502665135 - 2³ = 20346502665127 is a prime.

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, 17259684 + ... + 18400806.

It is an arithmetic number, because the mean of its divisors is an integer number (1023355438704).

Almost surely, 2^{20346502665135} is an apocalyptic number.

20346502665135 is a deficient number, since it is larger than the sum of its proper divisors (12400871373393).

20346502665135 is a wasteful number, since it uses less digits than its factorization.

20346502665135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1148175.

The product of its (nonzero) digits is 3888000, while the sum is 48.

The spelling of 20346502665135 in words is "twenty trillion, three hundred forty-six billion, five hundred two million, six hundred sixty-five thousand, one hundred thirty-five".