20206328 has 32 divisors (see below), whose sum is σ = 39808800. Its totient is φ = 9596928.

The previous prime is 20206309. The next prime is 20206331. The reversal of 20206328 is 82360202.

It is a Harshad number since it is a multiple of its sum of digits (23).

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, 35228 + ... + 35796.

It is an arithmetic number, because the mean of its divisors is an integer number (1244025).

Almost surely, 2^20206328 is an apocalyptic number.

It is an amenable number.

20206328 is a deficient number, since it is larger than the sum of its proper divisors (19602472).

20206328 is a wasteful number, since it uses less digits than its factorization.

20206328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 791 (or 787 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 20206328 is about 4495.1449364843. The cubic root of 20206328 is about 272.3720039683.

The spelling of 20206328 in words is "twenty million, two hundred six thousand, three hundred twenty-eight".