20853304 has 16 divisors (see below), whose sum is σ = 39150000. Its totient is φ = 10413312.

The previous prime is 20853299. The next prime is 20853319. The reversal of 20853304 is 40335802.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8949 + ... + 11035.

It is an arithmetic number, because the mean of its divisors is an integer number (2446875).

Almost surely, 2^20853304 is an apocalyptic number.

It is an amenable number.

20853304 is a deficient number, since it is larger than the sum of its proper divisors (18296696).

20853304 is a wasteful number, since it uses less digits than its factorization.

20853304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3342 (or 3338 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 20853304 is about 4566.5417987795. The cubic root of 20853304 is about 275.2484982469.

The spelling of 20853304 in words is "twenty million, eight hundred fifty-three thousand, three hundred four".