20135716 has 24 divisors (see below), whose sum is σ = 35955360. Its totient is φ = 9865152.

The previous prime is 20135683. The next prime is 20135737. The reversal of 20135716 is 61753102.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57855 + ... + 58201.

It is an arithmetic number, because the mean of its divisors is an integer number (1498140).

Almost surely, 2^20135716 is an apocalyptic number.

It is an amenable number.

20135716 is a deficient number, since it is larger than the sum of its proper divisors (15819644).

20135716 is a wasteful number, since it uses less digits than its factorization.

20135716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 603 (or 601 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 25.

The square root of 20135716 is about 4487.2838109484. The cubic root of 20135716 is about 272.0543612513.

Adding to 20135716 its reverse (61753102), we get a palindrome (81888818).

The spelling of 20135716 in words is "twenty million, one hundred thirty-five thousand, seven hundred sixteen".