20346865377892 has 96 divisors (see below), whose sum is σ = 38165851136000. Its totient is φ = 9489688869024.

The previous prime is 20346865377803. The next prime is 20346865377919. The reversal of 20346865377892 is 29877356864302.

It is a happy number.

It is a super-3 number, since 3×20346865377892³ (a number of 41 digits) contains 333 as substring.

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, 795439159 + ... + 795464737.

Almost surely, 2^{20346865377892} is an apocalyptic number.

It is an amenable number.

20346865377892 is a deficient number, since it is larger than the sum of its proper divisors (17818985758108).

20346865377892 is a wasteful number, since it uses less digits than its factorization.

20346865377892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26086 (or 26046 counting only the distinct ones).

The product of its (nonzero) digits is 731566080, while the sum is 70.

The spelling of 20346865377892 in words is "twenty trillion, three hundred forty-six billion, eight hundred sixty-five million, three hundred seventy-seven thousand, eight hundred ninety-two".