20221625615 has 32 divisors (see below), whose sum is σ = 26685892800. Its totient is φ = 14650675200.

The previous prime is 20221625573. The next prime is 20221625687. The reversal of 20221625615 is 51652612202.

It is not a de Polignac number, because 20221625615 - 2⁶ = 20221625551 is a prime.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 241919 + ... + 314591.

It is an arithmetic number, because the mean of its divisors is an integer number (833934150).

Almost surely, 2^20221625615 is an apocalyptic number.

20221625615 is a deficient number, since it is larger than the sum of its proper divisors (6464267185).

20221625615 is a wasteful number, since it uses less digits than its factorization.

20221625615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72827.

The product of its (nonzero) digits is 14400, while the sum is 32.

The spelling of 20221625615 in words is "twenty billion, two hundred twenty-one million, six hundred twenty-five thousand, six hundred fifteen".