64269020 has 24 divisors (see below), whose sum is σ = 142069200. Its totient is φ = 24354432.

The previous prime is 64269011. The next prime is 64269031. The reversal of 64269020 is 2096246.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84185 + ... + 84944.

It is an arithmetic number, because the mean of its divisors is an integer number (5919550).

Almost surely, 2^64269020 is an apocalyptic number.

It is an amenable number.

64269020 is an abundant number, since it is smaller than the sum of its proper divisors (77800180).

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

64269020 is a wasteful number, since it uses less digits than its factorization.

64269020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169157 (or 169155 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 64269020 is about 8016.7961181509. The cubic root of 64269020 is about 400.5596748782.

The spelling of 64269020 in words is "sixty-four million, two hundred sixty-nine thousand, twenty".