20375245 has 16 divisors (see below), whose sum is σ = 26892288. Its totient is φ = 14696640.

The previous prime is 20375227. The next prime is 20375269. The reversal of 20375245 is 54257302.

It is not a de Polignac number, because 20375245 - 2⁵ = 20375213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5527 + ... + 8443.

It is an arithmetic number, because the mean of its divisors is an integer number (1680768).

Almost surely, 2^20375245 is an apocalyptic number.

It is an amenable number.

20375245 is a deficient number, since it is larger than the sum of its proper divisors (6517043).

20375245 is a wasteful number, since it uses less digits than its factorization.

20375245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3060.

The product of its (nonzero) digits is 8400, while the sum is 28.

The square root of 20375245 is about 4513.8946598254. The cubic root of 20375245 is about 273.1288733050.

The spelling of 20375245 in words is "twenty million, three hundred seventy-five thousand, two hundred forty-five".