20116502 has 16 divisors (see below), whose sum is σ = 34670592. Its totient is φ = 8575080.

The previous prime is 20116487. The next prime is 20116531. The reversal of 20116502 is 20561102.

It is a congruent number.

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, 1088 + ... + 6435.

It is an arithmetic number, because the mean of its divisors is an integer number (2166912).

Almost surely, 2^20116502 is an apocalyptic number.

20116502 is a deficient number, since it is larger than the sum of its proper divisors (14554090).

20116502 is a wasteful number, since it uses less digits than its factorization.

20116502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7723.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 20116502 is about 4485.1423611743. The cubic root of 20116502 is about 271.9678000377.

Adding to 20116502 its reverse (20561102), we get a palindrome (40677604).

The spelling of 20116502 in words is "twenty million, one hundred sixteen thousand, five hundred two".