20137260735 has 48 divisors (see below), whose sum is σ = 35152665600. Its totient is φ = 10663773120.

The previous prime is 20137260721. The next prime is 20137260739. The reversal of 20137260735 is 53706273102.

20137260735 is a `hidden beast` number, since 2 + 0 + 13 + 7 + 2 + 607 + 35 = 666.

It is not a de Polignac number, because 20137260735 - 2¹⁰ = 20137259711 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20137260735.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20137260739) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4896330 + ... + 4900440.

It is an arithmetic number, because the mean of its divisors is an integer number (732347200).

Almost surely, 2^20137260735 is an apocalyptic number.

20137260735 is a deficient number, since it is larger than the sum of its proper divisors (15015404865).

20137260735 is a wasteful number, since it uses less digits than its factorization.

20137260735 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4868 (or 4865 counting only the distinct ones).

The product of its (nonzero) digits is 52920, while the sum is 36.

The spelling of 20137260735 in words is "twenty billion, one hundred thirty-seven million, two hundred sixty thousand, seven hundred thirty-five".