20540365701 has 16 divisors (see below), whose sum is σ = 29055590400. Its totient is φ = 12870709488.

The previous prime is 20540365693. The next prime is 20540365721. The reversal of 20540365701 is 10756304502.

It is not a de Polignac number, because 20540365701 - 2³ = 20540365693 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20540365721) 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, 1411491 + ... + 1425968.

It is an arithmetic number, because the mean of its divisors is an integer number (1815974400).

Almost surely, 2^20540365701 is an apocalyptic number.

It is an amenable number.

20540365701 is a deficient number, since it is larger than the sum of its proper divisors (8515224699).

20540365701 is a wasteful number, since it uses less digits than its factorization.

20540365701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2837608.

The product of its (nonzero) digits is 25200, while the sum is 33.

The spelling of 20540365701 in words is "twenty billion, five hundred forty million, three hundred sixty-five thousand, seven hundred one".