20893372 has 6 divisors (see below), whose sum is σ = 36563408. Its totient is φ = 10446684.

The previous prime is 20893339. The next prime is 20893387. The reversal of 20893372 is 27339802.

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, 2611668 + ... + 2611675.

Almost surely, 2^20893372 is an apocalyptic number.

It is an amenable number.

20893372 is a deficient number, since it is larger than the sum of its proper divisors (15670036).

20893372 is a wasteful number, since it uses less digits than its factorization.

20893372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5223347 (or 5223345 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 20893372 is about 4570.9268206787. The cubic root of 20893372 is about 275.4246749779.

The spelling of 20893372 in words is "twenty million, eight hundred ninety-three thousand, three hundred seventy-two".