20312983016 has 16 divisors (see below), whose sum is σ = 38897202240. Its totient is φ = 9940395760.

The previous prime is 20312982953. The next prime is 20312983057. The reversal of 20312983016 is 61038921302.

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, 27011570 + ... + 27012321.

It is an arithmetic number, because the mean of its divisors is an integer number (2431075140).

Almost surely, 2^20312983016 is an apocalyptic number.

It is an amenable number.

20312983016 is a deficient number, since it is larger than the sum of its proper divisors (18584219224).

20312983016 is a wasteful number, since it uses less digits than its factorization.

20312983016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54023944 (or 54023940 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 35.

The spelling of 20312983016 in words is "twenty billion, three hundred twelve million, nine hundred eighty-three thousand, sixteen".