20097013755 has 32 divisors (see below), whose sum is σ = 39575660544. Its totient is φ = 8480497536.

The previous prime is 20097013711. The next prime is 20097013799. The reversal of 20097013755 is 55731079002.

It is an interprime number because it is at equal distance from previous prime (20097013711) and next prime (20097013799).

It is not a de Polignac number, because 20097013755 - 2¹¹ = 20097011707 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7360179 + ... + 7362908.

It is an arithmetic number, because the mean of its divisors is an integer number (1236739392).

Almost surely, 2^20097013755 is an apocalyptic number.

20097013755 is a deficient number, since it is larger than the sum of its proper divisors (19478646789).

20097013755 is a wasteful number, since it uses less digits than its factorization.

20097013755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14723115.

The product of its (nonzero) digits is 66150, while the sum is 39.

The spelling of 20097013755 in words is "twenty billion, ninety-seven million, thirteen thousand, seven hundred fifty-five".