62720655220 has 48 divisors (see below), whose sum is σ = 132542535888. Its totient is φ = 24930478080.

The previous prime is 62720655211. The next prime is 62720655241. The reversal of 62720655220 is 2255602726.

It can be written as a sum of positive squares in 8 ways, for example, as 18524843236 + 44195811984 = 136106^2 + 210228^2 .

It is a super-2 number, since 2×62720655220² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 62720655220.

It is a congruent number.

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, 9674380 + ... + 9680860.

It is an arithmetic number, because the mean of its divisors is an integer number (2761302831).

Almost surely, 2^62720655220 is an apocalyptic number.

It is an amenable number.

62720655220 is an abundant number, since it is smaller than the sum of its proper divisors (69821880668).

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

62720655220 is a wasteful number, since it uses less digits than its factorization.

62720655220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9460 (or 9458 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 37.

It can be divided in two parts, 62720 and 655220, that multiplied together give a square (41095398400 = 202720²).

The spelling of 62720655220 in words is "sixty-two billion, seven hundred twenty million, six hundred fifty-five thousand, two hundred twenty".