20455522306529 has 8 divisors (see below), whose sum is σ = 20586255791808. Its totient is φ = 20324794435920.

The previous prime is 20455522306517. The next prime is 20455522306537. The reversal of 20455522306529 is 92560322555402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20455522306529 - 2²⁴ = 20455505529313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20455522306229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6031514 + ... + 8791484.

It is an arithmetic number, because the mean of its divisors is an integer number (2573281973976).

Almost surely, 2^{20455522306529} is an apocalyptic number.

It is an amenable number.

20455522306529 is a deficient number, since it is larger than the sum of its proper divisors (130733485279).

20455522306529 is a wasteful number, since it uses less digits than its factorization.

20455522306529 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2807335.

The product of its (nonzero) digits is 6480000, while the sum is 50.

The spelling of 20455522306529 in words is "twenty trillion, four hundred fifty-five billion, five hundred twenty-two million, three hundred six thousand, five hundred twenty-nine".