70120002200720 has 20 divisors (see below), whose sum is σ = 163029005116860. Its totient is φ = 28048000880256.

The previous prime is 70120002200687. The next prime is 70120002200741. The reversal of 70120002200720 is 2700220002107.

It can be written as a sum of positive squares in 2 ways, for example, as 48832814850304 + 21287187350416 = 6988048^2 + 4613804^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 438250013675 + ... + 438250013834.

It is an arithmetic number, because the mean of its divisors is an integer number (8151450255843).

Almost surely, 2^{70120002200720} is an apocalyptic number.

It is an amenable number.

70120002200720 is an abundant number, since it is smaller than the sum of its proper divisors (92909002916140).

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

70120002200720 is a wasteful number, since it uses less digits than its factorization.

70120002200720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 876500027522 (or 876500027516 counting only the distinct ones).

The product of its (nonzero) digits is 784, while the sum is 23.

Adding to 70120002200720 its reverse (2700220002107), we get a palindrome (72820222202827).

The spelling of 70120002200720 in words is "seventy trillion, one hundred twenty billion, two million, two hundred thousand, seven hundred twenty".