20535892 has 24 divisors (see below), whose sum is σ = 39200000. Its totient is φ = 9356256.

The previous prime is 20535887. The next prime is 20535901. The reversal of 20535892 is 29853502.

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, 1609 + ... + 6607.

Almost surely, 2^20535892 is an apocalyptic number.

It is an amenable number.

20535892 is a deficient number, since it is larger than the sum of its proper divisors (18664108).

20535892 is a wasteful number, since it uses less digits than its factorization.

20535892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5095 (or 5093 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 34.

The square root of 20535892 is about 4531.6544440193. The cubic root of 20535892 is about 273.8448159565.

The spelling of 20535892 in words is "twenty million, five hundred thirty-five thousand, eight hundred ninety-two".