20323093 has 16 divisors (see below), whose sum is σ = 23900800. Its totient is φ = 17273088.

The previous prime is 20323091. The next prime is 20323139. The reversal of 20323093 is 39032302.

It is not a de Polignac number, because 20323093 - 2¹ = 20323091 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20323091) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66046 + ... + 66352.

It is an arithmetic number, because the mean of its divisors is an integer number (1493800).

Almost surely, 2^20323093 is an apocalyptic number.

It is an amenable number.

20323093 is a deficient number, since it is larger than the sum of its proper divisors (3577707).

20323093 is an equidigital number, since it uses as much as digits as its factorization.

20323093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 521 (or 507 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 22.

The square root of 20323093 is about 4508.1141289901. The cubic root of 20323093 is about 272.8956427783.

Adding to 20323093 its reverse (39032302), we get a palindrome (59355395).

The spelling of 20323093 in words is "twenty million, three hundred twenty-three thousand, ninety-three".