20865727224588 has 24 divisors (see below), whose sum is σ = 48831167777392. Its totient is φ = 6934603705344.

The previous prime is 20865727224557. The next prime is 20865727224593. The reversal of 20865727224588 is 88542272756802.

It is a super-2 number, since 2×20865727224588² (a number of 27 digits) contains 22 as substring.

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, 2579833645 + ... + 2579841732.

Almost surely, 2^{20865727224588} is an apocalyptic number.

It is an amenable number.

20865727224588 is an abundant number, since it is smaller than the sum of its proper divisors (27965440552804).

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

20865727224588 is a wasteful number, since it uses less digits than its factorization.

20865727224588 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5159675721 (or 5159675719 counting only the distinct ones).

The product of its (nonzero) digits is 240844800, while the sum is 66.

The spelling of 20865727224588 in words is "twenty trillion, eight hundred sixty-five billion, seven hundred twenty-seven million, two hundred twenty-four thousand, five hundred eighty-eight".