20160683930 has 16 divisors (see below), whose sum is σ = 36291360744. Its totient is φ = 8063800320.

The previous prime is 20160683903. The next prime is 20160683941. The reversal of 20160683930 is 3938606102.

It can be written as a sum of positive squares in 4 ways, for example, as 16643838121 + 3516845809 = 129011^2 + 59303^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 157574 + ... + 255246.

Almost surely, 2^20160683930 is an apocalyptic number.

20160683930 is a deficient number, since it is larger than the sum of its proper divisors (16130676814).

20160683930 is a wasteful number, since it uses less digits than its factorization.

20160683930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118321.

The product of its (nonzero) digits is 46656, while the sum is 38.

The spelling of 20160683930 in words is "twenty billion, one hundred sixty million, six hundred eighty-three thousand, nine hundred thirty".