20028704502364 has 12 divisors (see below), whose sum is σ = 35050644800584. Its totient is φ = 10014234559344.

The previous prime is 20028704502361. The next prime is 20028704502377. The reversal of 20028704502364 is 46320540782002.

It is a super-2 number, since 2×20028704502364² (a number of 27 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 20028704502364.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20028704502361) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29039502 + ... + 29721205.

Almost surely, 2^{20028704502364} is an apocalyptic number.

It is an amenable number.

20028704502364 is a deficient number, since it is larger than the sum of its proper divisors (15021940298220).

20028704502364 is a wasteful number, since it uses less digits than its factorization.

20028704502364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58845924 (or 58845922 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 43.

The spelling of 20028704502364 in words is "twenty trillion, twenty-eight billion, seven hundred four million, five hundred two thousand, three hundred sixty-four".