20753372 has 6 divisors (see below), whose sum is σ = 36318408. Its totient is φ = 10376684.

The previous prime is 20753333. The next prime is 20753393. The reversal of 20753372 is 27335702.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2594168 + ... + 2594175.

It is an arithmetic number, because the mean of its divisors is an integer number (6053068).

Almost surely, 2^20753372 is an apocalyptic number.

It is an amenable number.

20753372 is a deficient number, since it is larger than the sum of its proper divisors (15565036).

20753372 is a wasteful number, since it uses less digits than its factorization.

20753372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5188347 (or 5188345 counting only the distinct ones).

The product of its (nonzero) digits is 8820, while the sum is 29.

The square root of 20753372 is about 4555.5868996212. The cubic root of 20753372 is about 274.8081173838.

The spelling of 20753372 in words is "twenty million, seven hundred fifty-three thousand, three hundred seventy-two".