20258372 has 12 divisors (see below), whose sum is σ = 35488656. Its totient is φ = 10118760.

The previous prime is 20258369. The next prime is 20258383. The reversal of 20258372 is 27385202.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3203 + ... + 7125.

It is an arithmetic number, because the mean of its divisors is an integer number (2957388).

Almost surely, 2^20258372 is an apocalyptic number.

It is an amenable number.

20258372 is a deficient number, since it is larger than the sum of its proper divisors (15230284).

20258372 is a wasteful number, since it uses less digits than its factorization.

20258372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5218 (or 5216 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 20258372 is about 4500.9301260962. The cubic root of 20258372 is about 272.6056465485.

The spelling of 20258372 in words is "twenty million, two hundred fifty-eight thousand, three hundred seventy-two".