20151475967 has 16 divisors (see below), whose sum is σ = 24056358912. Its totient is φ = 16504667520.

The previous prime is 20151475913. The next prime is 20151475973. The reversal of 20151475967 is 76957415102.

It is not a de Polignac number, because 20151475967 - 2²⁰ = 20150427391 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 (20151475987) 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, 93242 + ... + 221352.

It is an arithmetic number, because the mean of its divisors is an integer number (1503522432).

Almost surely, 2^20151475967 is an apocalyptic number.

20151475967 is a deficient number, since it is larger than the sum of its proper divisors (3904882945).

20151475967 is a wasteful number, since it uses less digits than its factorization.

20151475967 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129118.

The product of its (nonzero) digits is 529200, while the sum is 47.

The spelling of 20151475967 in words is "twenty billion, one hundred fifty-one million, four hundred seventy-five thousand, nine hundred sixty-seven".