22920707427 has 4 divisors (see below), whose sum is σ = 30560943240. Its totient is φ = 15280471616.

The previous prime is 22920707311. The next prime is 22920707443. The reversal of 22920707427 is 72470702922.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22920707427 - 2²⁴ = 22903930211 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22920747427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3820117902 + ... + 3820117907.

It is an arithmetic number, because the mean of its divisors is an integer number (7640235810).

Almost surely, 2^22920707427 is an apocalyptic number.

22920707427 is a deficient number, since it is larger than the sum of its proper divisors (7640235813).

22920707427 is an equidigital number, since it uses as much as digits as its factorization.

22920707427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7640235812.

The product of its (nonzero) digits is 197568, while the sum is 42.

The spelling of 22920707427 in words is "twenty-two billion, nine hundred twenty million, seven hundred seven thousand, four hundred twenty-seven".