20070613072 has 10 divisors (see below), whose sum is σ = 38886812858. Its totient is φ = 10035306528.

The previous prime is 20070613067. The next prime is 20070613081. The reversal of 20070613072 is 27031607002.

It can be written as a sum of positive squares in only one way, i.e., 19197765136 + 872847936 = 138556^2 + 29544^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 20070613072.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 627206643 + ... + 627206674.

Almost surely, 2^20070613072 is an apocalyptic number.

It is an amenable number.

20070613072 is a deficient number, since it is larger than the sum of its proper divisors (18816199786).

20070613072 is a wasteful number, since it uses less digits than its factorization.

20070613072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1254413325 (or 1254413319 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 28.

The spelling of 20070613072 in words is "twenty billion, seventy million, six hundred thirteen thousand, seventy-two".