20116508 has 12 divisors (see below), whose sum is σ = 37274832. Its totient is φ = 9466560.

The previous prime is 20116487. The next prime is 20116531. The reversal of 20116508 is 80561102.

It is a super-2 number, since 2×20116508² = 809347788228128, which contains 22 as substring.

It is a congruent number.

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, 147848 + ... + 147983.

It is an arithmetic number, because the mean of its divisors is an integer number (3106236).

Almost surely, 2^20116508 is an apocalyptic number.

It is an amenable number.

20116508 is a deficient number, since it is larger than the sum of its proper divisors (17158324).

20116508 is a wasteful number, since it uses less digits than its factorization.

20116508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295852 (or 295850 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 23.

The square root of 20116508 is about 4485.1430300493. The cubic root of 20116508 is about 271.9678270770.

The spelling of 20116508 in words is "twenty million, one hundred sixteen thousand, five hundred eight".