20323667516 has 6 divisors (see below), whose sum is σ = 35566418160. Its totient is φ = 10161833756.

The previous prime is 20323667503. The next prime is 20323667527. The reversal of 20323667516 is 61576632302.

It is a super-2 number, since 2×20323667516² (a number of 21 digits) contains 22 as substring.

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, 2540458436 + ... + 2540458443.

It is an arithmetic number, because the mean of its divisors is an integer number (5927736360).

Almost surely, 2^20323667516 is an apocalyptic number.

It is an amenable number.

20323667516 is a deficient number, since it is larger than the sum of its proper divisors (15242750644).

20323667516 is a wasteful number, since it uses less digits than its factorization.

20323667516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5080916883 (or 5080916881 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 41.

The spelling of 20323667516 in words is "twenty billion, three hundred twenty-three million, six hundred sixty-seven thousand, five hundred sixteen".