20533692 has 24 divisors (see below), whose sum is σ = 47999952. Its totient is φ = 6832000.

The previous prime is 20533679. The next prime is 20533693. The reversal of 20533692 is 29633502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20533693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7192 + ... + 9632.

It is an arithmetic number, because the mean of its divisors is an integer number (1999998).

Almost surely, 2^20533692 is an apocalyptic number.

It is an amenable number.

20533692 is an abundant number, since it is smaller than the sum of its proper divisors (27466260).

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

20533692 is a wasteful number, since it uses less digits than its factorization.

20533692 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3149 (or 3147 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 30.

The square root of 20533692 is about 4531.4117005631. The cubic root of 20533692 is about 273.8350366539.

The spelling of 20533692 in words is "twenty million, five hundred thirty-three thousand, six hundred ninety-two".