20366120264 has 32 divisors (see below), whose sum is σ = 44357131200. Its totient is φ = 8585248320.

The previous prime is 20366120219. The next prime is 20366120297. The reversal of 20366120264 is 46202166302.

It is a super-2 number, since 2×20366120264² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20366120264.

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, 2977574 + ... + 2984405.

It is an arithmetic number, because the mean of its divisors is an integer number (1386160350).

Almost surely, 2^20366120264 is an apocalyptic number.

It is an amenable number.

20366120264 is an abundant number, since it is smaller than the sum of its proper divisors (23991010936).

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

20366120264 is a wasteful number, since it uses less digits than its factorization.

20366120264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5962053 (or 5962049 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 32.

Adding to 20366120264 its reverse (46202166302), we get a palindrome (66568286566).

The spelling of 20366120264 in words is "twenty billion, three hundred sixty-six million, one hundred twenty thousand, two hundred sixty-four".