264774020 has 24 divisors (see below), whose sum is σ = 635457984. Its totient is φ = 90779616.

The previous prime is 264774019. The next prime is 264774053. The reversal of 264774020 is 20477462.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 945482 + ... + 945761.

It is an arithmetic number, because the mean of its divisors is an integer number (26477416).

Almost surely, 2^264774020 is an apocalyptic number.

264774020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

264774020 is an abundant number, since it is smaller than the sum of its proper divisors (370683964).

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

264774020 is a wasteful number, since it uses less digits than its factorization.

264774020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1891259 (or 1891257 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 32.

The square root of 264774020 is about 16271.8781952177. The cubic root of 264774020 is about 642.1331976489.

It can be divided in two parts, 2647 and 74020, that added together give a palindrome (76667).

The spelling of 264774020 in words is "two hundred sixty-four million, seven hundred seventy-four thousand, twenty".