20032565435444 has 6 divisors (see below), whose sum is σ = 35056989512034. Its totient is φ = 10016282717720.

The previous prime is 20032565435429. The next prime is 20032565435489. The reversal of 20032565435444 is 44453456523002.

It can be written as a sum of positive squares in only one way, i.e., 17053282311844 + 2979283123600 = 4129562^2 + 1726060^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2504070679427 + ... + 2504070679434.

It is an arithmetic number, because the mean of its divisors is an integer number (5842831585339).

Almost surely, 2^{20032565435444} is an apocalyptic number.

It is an amenable number.

20032565435444 is a deficient number, since it is larger than the sum of its proper divisors (15024424076590).

20032565435444 is a wasteful number, since it uses less digits than its factorization.

20032565435444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5008141358865 (or 5008141358863 counting only the distinct ones).

The product of its (nonzero) digits is 6912000, while the sum is 47.

The spelling of 20032565435444 in words is "twenty trillion, thirty-two billion, five hundred sixty-five million, four hundred thirty-five thousand, four hundred forty-four".