20895572 has 12 divisors (see below), whose sum is σ = 36627360. Its totient is φ = 10430616.

The previous prime is 20895559. The next prime is 20895599. The reversal of 20895572 is 27559802.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1328 + ... + 6599.

It is an arithmetic number, because the mean of its divisors is an integer number (3052280).

Almost surely, 2^20895572 is an apocalyptic number.

It is an amenable number.

20895572 is a deficient number, since it is larger than the sum of its proper divisors (15731788).

20895572 is a wasteful number, since it uses less digits than its factorization.

20895572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8590 (or 8588 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 38.

The square root of 20895572 is about 4571.1674657575. The cubic root of 20895572 is about 275.4343417281.

The spelling of 20895572 in words is "twenty million, eight hundred ninety-five thousand, five hundred seventy-two".