264630020 has 48 divisors (see below), whose sum is σ = 563189760. Its totient is φ = 104441856.

The previous prime is 264629987. The next prime is 264630049. The reversal of 264630020 is 20036462.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 690749 + ... + 691131.

It is an arithmetic number, because the mean of its divisors is an integer number (11733120).

Almost surely, 2^264630020 is an apocalyptic number.

264630020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

264630020 is an abundant number, since it is smaller than the sum of its proper divisors (298559740).

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

264630020 is a wasteful number, since it uses less digits than its factorization.

264630020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 764 (or 762 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 264630020 is about 16267.4527815513. The cubic root of 264630020 is about 642.0167663508.

Adding to 264630020 its reverse (20036462), we get a palindrome (284666482).

The spelling of 264630020 in words is "two hundred sixty-four million, six hundred thirty thousand, twenty".