20754925 has 12 divisors (see below), whose sum is σ = 26122336. Its totient is φ = 16354800.

The previous prime is 20754919. The next prime is 20754931. The reversal of 20754925 is 52945702.

It is an interprime number because it is at equal distance from previous prime (20754919) and next prime (20754931).

It is not a de Polignac number, because 20754925 - 2³ = 20754917 is a prime.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

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 11 ways as a sum of consecutive naturals, for example, 4521 + ... + 7870.

Almost surely, 2^20754925 is an apocalyptic number.

20754925 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20754925 is a deficient number, since it is larger than the sum of its proper divisors (5367411).

20754925 is a wasteful number, since it uses less digits than its factorization.

20754925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12468 (or 12463 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 34.

The square root of 20754925 is about 4555.7573464793. The cubic root of 20754925 is about 274.8149719544.

The spelling of 20754925 in words is "twenty million, seven hundred fifty-four thousand, nine hundred twenty-five".