20935292667 has 16 divisors (see below), whose sum is σ = 28453598208. Its totient is φ = 13688962560.

The previous prime is 20935292629. The next prime is 20935292699. The reversal of 20935292667 is 76629253902.

It is a happy number.

It is not a de Polignac number, because 20935292667 - 2²³ = 20926904059 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20935292167) 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, 213523 + ... + 295740.

It is an arithmetic number, because the mean of its divisors is an integer number (1778349888).

Almost surely, 2^20935292667 is an apocalyptic number.

20935292667 is a deficient number, since it is larger than the sum of its proper divisors (7518305541).

20935292667 is a wasteful number, since it uses less digits than its factorization.

20935292667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 509530.

The product of its (nonzero) digits is 2449440, while the sum is 51.

The spelling of 20935292667 in words is "twenty billion, nine hundred thirty-five million, two hundred ninety-two thousand, six hundred sixty-seven".