3065639220 has 72 divisors (see below), whose sum is σ = 10627553664. Its totient is φ = 700717248.

The previous prime is 3065639201. The next prime is 3065639221. The reversal of 3065639220 is 229365603.

3065639220 is a `hidden beast` number, since 3 + 0 + 6 + 563 + 92 + 2 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3065639221) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1215264 + ... + 1217783.

It is an arithmetic number, because the mean of its divisors is an integer number (147604912).

Almost surely, 2^3065639220 is an apocalyptic number.

3065639220 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3065639220 is an abundant number, since it is smaller than the sum of its proper divisors (7561914444).

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

3065639220 is a wasteful number, since it uses less digits than its factorization.

3065639220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2433069 (or 2433064 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 36.

The square root of 3065639220 is about 55368.2148890498. The cubic root of 3065639220 is about 1452.6924559562.

The spelling of 3065639220 in words is "three billion, sixty-five million, six hundred thirty-nine thousand, two hundred twenty".