20892332 has 6 divisors (see below), whose sum is σ = 36561588. Its totient is φ = 10446164.

The previous prime is 20892331. The next prime is 20892341. The reversal of 20892332 is 23329802.

It is a junction number, because it is equal to n+sod(n) for n = 20892295 and 20892304.

It is not an unprimeable number, because it can be changed into a prime (20892331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2611538 + ... + 2611545.

It is an arithmetic number, because the mean of its divisors is an integer number (6093598).

Almost surely, 2^20892332 is an apocalyptic number.

It is an amenable number.

20892332 is a deficient number, since it is larger than the sum of its proper divisors (15669256).

20892332 is a wasteful number, since it uses less digits than its factorization.

20892332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5223087 (or 5223085 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 20892332 is about 4570.8130567767. The cubic root of 20892332 is about 275.4201050053.

The spelling of 20892332 in words is "twenty million, eight hundred ninety-two thousand, three hundred thirty-two".