20160705700 has 36 divisors (see below), whose sum is σ = 43782136132. Its totient is φ = 8058124800.

The previous prime is 20160705679. The next prime is 20160705713. The reversal of 20160705700 is 750706102.

It can be written as a sum of positive squares in 6 ways, for example, as 3250824256 + 16909881444 = 57016^2 + 130038^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 55792 + ... + 208408.

Almost surely, 2^20160705700 is an apocalyptic number.

20160705700 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20160705700 is an abundant number, since it is smaller than the sum of its proper divisors (23621430432).

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

20160705700 is a wasteful number, since it uses less digits than its factorization.

20160705700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153952 (or 153945 counting only the distinct ones).

The product of its (nonzero) digits is 2940, while the sum is 28.

The spelling of 20160705700 in words is "twenty billion, one hundred sixty million, seven hundred five thousand, seven hundred".