20895372 has 36 divisors (see below), whose sum is σ = 53014416. Its totient is φ = 6939360.

The previous prime is 20895359. The next prime is 20895373. The reversal of 20895372 is 27359802.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (20895373) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10497 + ... + 12327.

Almost surely, 2^20895372 is an apocalyptic number.

It is an amenable number.

20895372 is an abundant number, since it is smaller than the sum of its proper divisors (32119044).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20895372 is a wasteful number, since it uses less digits than its factorization.

20895372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2158 (or 2153 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 20895372 is about 4571.1455894557. The cubic root of 20895372 is about 275.4334629606.

The spelling of 20895372 in words is "twenty million, eight hundred ninety-five thousand, three hundred seventy-two".