65395220 has 24 divisors (see below), whose sum is σ = 149815008. Its totient is φ = 23780000.

The previous prime is 65395219. The next prime is 65395223. The reversal of 65395220 is 2259356.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65395223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 148406 + ... + 148845.

It is an arithmetic number, because the mean of its divisors is an integer number (6242292).

Almost surely, 2^65395220 is an apocalyptic number.

It is an amenable number.

65395220 is an abundant number, since it is smaller than the sum of its proper divisors (84419788).

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

65395220 is a wasteful number, since it uses less digits than its factorization.

65395220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297271 (or 297269 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 32.

The square root of 65395220 is about 8086.7311071903. The cubic root of 65395220 is about 402.8858381097.

The spelling of 65395220 in words is "sixty-five million, three hundred ninety-five thousand, two hundred twenty".