20362540061 has 16 divisors (see below), whose sum is σ = 21107294208. Its totient is φ = 19623481200.

The previous prime is 20362540039. The next prime is 20362540073. The reversal of 20362540061 is 16004526302.

It is a cyclic number.

It is not a de Polignac number, because 20362540061 - 2¹⁰ = 20362539037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20362542061) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8902460 + ... + 8904746.

It is an arithmetic number, because the mean of its divisors is an integer number (1319205888).

Almost surely, 2^20362540061 is an apocalyptic number.

It is an amenable number.

20362540061 is a deficient number, since it is larger than the sum of its proper divisors (744754147).

20362540061 is a wasteful number, since it uses less digits than its factorization.

20362540061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3392.

The product of its (nonzero) digits is 8640, while the sum is 29.

The spelling of 20362540061 in words is "twenty billion, three hundred sixty-two million, five hundred forty thousand, sixty-one".