20300732 has 24 divisors (see below), whose sum is σ = 36328320. Its totient is φ = 9923760.

The previous prime is 20300719. The next prime is 20300741. The reversal of 20300732 is 23700302.

It is a self number, because there is not a number n which added to its sum of digits gives 20300732.

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, 56369 + ... + 56727.

It is an arithmetic number, because the mean of its divisors is an integer number (1513680).

Almost surely, 2^20300732 is an apocalyptic number.

It is an amenable number.

20300732 is a deficient number, since it is larger than the sum of its proper divisors (16027588).

20300732 is a wasteful number, since it uses less digits than its factorization.

20300732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 641 (or 639 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 17.

The square root of 20300732 is about 4505.6333628026. The cubic root of 20300732 is about 272.7955192574.

The spelling of 20300732 in words is "twenty million, three hundred thousand, seven hundred thirty-two".