20013523200770 has 32 divisors (see below), whose sum is σ = 39355343816256. Its totient is φ = 7267262968000.

The previous prime is 20013523200709. The next prime is 20013523200871. The reversal of 20013523200770 is 7700232531002.

It is a super-2 number, since 2×20013523200770² (a number of 27 digits) contains 22 as substring.

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, 129695444 + ... + 129849663.

It is an arithmetic number, because the mean of its divisors is an integer number (1229854494258).

Almost surely, 2^{20013523200770} is an apocalyptic number.

20013523200770 is a deficient number, since it is larger than the sum of its proper divisors (19341820615486).

20013523200770 is a wasteful number, since it uses less digits than its factorization.

20013523200770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259545826.

The product of its (nonzero) digits is 17640, while the sum is 32.

Adding to 20013523200770 its reverse (7700232531002), we get a palindrome (27713755731772).

The spelling of 20013523200770 in words is "twenty trillion, thirteen billion, five hundred twenty-three million, two hundred thousand, seven hundred seventy".