65220060 has 24 divisors (see below), whose sum is σ = 182616336. Its totient is φ = 17392000.

The previous prime is 65220059. The next prime is 65220137. The reversal of 65220060 is 6002256.

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, 543441 + ... + 543560.

It is an arithmetic number, because the mean of its divisors is an integer number (7609014).

Almost surely, 2^65220060 is an apocalyptic number.

65220060 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

65220060 is an abundant number, since it is smaller than the sum of its proper divisors (117396276).

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

65220060 is a wasteful number, since it uses less digits than its factorization.

65220060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1087013 (or 1087011 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 65220060 is about 8075.8937585880. The cubic root of 65220060 is about 402.5258088205.

The spelling of 65220060 in words is "sixty-five million, two hundred twenty thousand, sixty".