20364510336 has 64 divisors (see below), whose sum is σ = 54138499200. Its totient is φ = 6782489600.

The previous prime is 20364510329. The next prime is 20364510407. The reversal of 20364510336 is 63301546302.

It is a tau number, because it is divible by the number of its divisors (64).

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 20364510297 and 20364510306.

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, 450361 + ... + 493511.

It is an arithmetic number, because the mean of its divisors is an integer number (845914050).

Almost surely, 2^20364510336 is an apocalyptic number.

It is an amenable number.

20364510336 is an abundant number, since it is smaller than the sum of its proper divisors (33773988864).

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

20364510336 is a wasteful number, since it uses less digits than its factorization.

20364510336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44397 (or 44385 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 33.

The spelling of 20364510336 in words is "twenty billion, three hundred sixty-four million, five hundred ten thousand, three hundred thirty-six".