20612892 has 24 divisors (see below), whose sum is σ = 49649152. Its totient is φ = 6649200.

The previous prime is 20612869. The next prime is 20612903. The reversal of 20612892 is 29821602.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27334 + ... + 28077.

Almost surely, 2^20612892 is an apocalyptic number.

It is an amenable number.

20612892 is an abundant number, since it is smaller than the sum of its proper divisors (29036260).

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

20612892 is a wasteful number, since it uses less digits than its factorization.

20612892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55449 (or 55447 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 20612892 is about 4540.1422885192. The cubic root of 20612892 is about 274.1866524399.

The spelling of 20612892 in words is "twenty million, six hundred twelve thousand, eight hundred ninety-two".