64520202 has 32 divisors (see below), whose sum is σ = 137073600. Its totient is φ = 20176128.

The previous prime is 64520189. The next prime is 64520231. The reversal of 64520202 is 20202546.

It is a super-2 number, since 2×64520202² = 8325712932241608, which contains 22 as substring.

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, 37824 + ... + 39492.

It is an arithmetic number, because the mean of its divisors is an integer number (4283550).

Almost surely, 2^64520202 is an apocalyptic number.

64520202 is an abundant number, since it is smaller than the sum of its proper divisors (72553398).

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

64520202 is a wasteful number, since it uses less digits than its factorization.

64520202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2070.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 64520202 is about 8032.4468252208. The cubic root of 64520202 is about 401.0808310468.

Adding to 64520202 its reverse (20202546), we get a palindrome (84722748).

The spelling of 64520202 in words is "sixty-four million, five hundred twenty thousand, two hundred two".