20907062929 has 4 divisors (see below), whose sum is σ = 20912862784. Its totient is φ = 20901263076.

The previous prime is 20907062921. The next prime is 20907062933. The reversal of 20907062929 is 92926070902.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 20907062929 - 2³ = 20907062921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20907062921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2894517 + ... + 2901730.

It is an arithmetic number, because the mean of its divisors is an integer number (5228215696).

Almost surely, 2^20907062929 is an apocalyptic number.

It is an amenable number.

20907062929 is a deficient number, since it is larger than the sum of its proper divisors (5799855).

20907062929 is an equidigital number, since it uses as much as digits as its factorization.

20907062929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5799854.

The product of its (nonzero) digits is 244944, while the sum is 46.

The spelling of 20907062929 in words is "twenty billion, nine hundred seven million, sixty-two thousand, nine hundred twenty-nine".