20455511541201 has 40 divisors (see below), whose sum is σ = 33335477480448. Its totient is φ = 12397067820000.

The previous prime is 20455511541181. The next prime is 20455511541239. The reversal of 20455511541201 is 10214511555402.

20455511541201 is a `hidden beast` number, since 2 + 0 + 45 + 5 + 51 + 1 + 541 + 20 + 1 = 666.

It is not a de Polignac number, because 20455511541201 - 2¹⁸ = 20455511279057 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20455511541401) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 63591511 + ... + 63912371.

Almost surely, 2^{20455511541201} is an apocalyptic number.

It is an amenable number.

20455511541201 is a deficient number, since it is larger than the sum of its proper divisors (12879965939247).

20455511541201 is a wasteful number, since it uses less digits than its factorization.

20455511541201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 392435 (or 392426 counting only the distinct ones).

The product of its (nonzero) digits is 40000, while the sum is 36.

The spelling of 20455511541201 in words is "twenty trillion, four hundred fifty-five billion, five hundred eleven million, five hundred forty-one thousand, two hundred one".