20972676151 has 6 divisors (see below), whose sum is σ = 24396786600. Its totient is φ = 17976579516.

The previous prime is 20972676149. The next prime is 20972676173. The reversal of 20972676151 is 15167627902.

It is not a de Polignac number, because 20972676151 - 2¹ = 20972676149 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 (20972676181) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 214006851 + ... + 214006948.

It is an arithmetic number, because the mean of its divisors is an integer number (4066131100).

Almost surely, 2^20972676151 is an apocalyptic number.

20972676151 is a deficient number, since it is larger than the sum of its proper divisors (3424110449).

20972676151 is an equidigital number, since it uses as much as digits as its factorization.

20972676151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 428013813 (or 428013806 counting only the distinct ones).

The product of its (nonzero) digits is 317520, while the sum is 46.

The spelling of 20972676151 in words is "twenty billion, nine hundred seventy-two million, six hundred seventy-six thousand, one hundred fifty-one".