20230764 has 12 divisors (see below), whose sum is σ = 47205144. Its totient is φ = 6743584.

The previous prime is 20230757. The next prime is 20230781. The reversal of 20230764 is 46703202.

It is a tau number, because it is divible by the number of its divisors (12).

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, 842937 + ... + 842960.

It is an arithmetic number, because the mean of its divisors is an integer number (3933762).

Almost surely, 2^20230764 is an apocalyptic number.

It is an amenable number.

20230764 is an abundant number, since it is smaller than the sum of its proper divisors (26974380).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20230764 is a wasteful number, since it uses less digits than its factorization.

20230764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1685904 (or 1685902 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 24.

The square root of 20230764 is about 4497.8621588484. The cubic root of 20230764 is about 272.4817550840.

Adding to 20230764 its reverse (46703202), we get a palindrome (66933966).

The spelling of 20230764 in words is "twenty million, two hundred thirty thousand, seven hundred sixty-four".