20364164685364 has 24 divisors (see below), whose sum is σ = 35690797981440. Its totient is φ = 10166803858464.

The previous prime is 20364164685323. The next prime is 20364164685377. The reversal of 20364164685364 is 46358646146302.

It is a super-2 number, since 2×20364164685364² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20364164685299 and 20364164685308.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6883717 + ... + 9386899.

It is an arithmetic number, because the mean of its divisors is an integer number (1487116582560).

Almost surely, 2^{20364164685364} is an apocalyptic number.

It is an amenable number.

20364164685364 is a deficient number, since it is larger than the sum of its proper divisors (15326633296076).

20364164685364 is a wasteful number, since it uses less digits than its factorization.

20364164685364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2506239 (or 2506237 counting only the distinct ones).

The product of its (nonzero) digits is 59719680, while the sum is 58.

The spelling of 20364164685364 in words is "twenty trillion, three hundred sixty-four billion, one hundred sixty-four million, six hundred eighty-five thousand, three hundred sixty-four".