20323028 has 12 divisors (see below), whose sum is σ = 38798592. Its totient is φ = 9237720.

The previous prime is 20323021. The next prime is 20323031. The reversal of 20323028 is 82032302.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20323021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 230900 + ... + 230987.

It is an arithmetic number, because the mean of its divisors is an integer number (3233216).

Almost surely, 2^20323028 is an apocalyptic number.

It is an amenable number.

20323028 is a deficient number, since it is larger than the sum of its proper divisors (18475564).

20323028 is a wasteful number, since it uses less digits than its factorization.

20323028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 461902 (or 461900 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 20323028 is about 4508.1069197613. The cubic root of 20323028 is about 272.8953518410.

The spelling of 20323028 in words is "twenty million, three hundred twenty-three thousand, twenty-eight".