20316122 has 12 divisors (see below), whose sum is σ = 32373150. Its totient is φ = 9560256.

The previous prime is 20316113. The next prime is 20316133. The reversal of 20316122 is 22161302.

It can be written as a sum of positive squares in 3 ways, for example, as 20259001 + 57121 = 4501^2 + 239^2 .

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a self number, because there is not a number n which added to its sum of digits gives 20316122.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 16997 + ... + 18152.

Almost surely, 2^20316122 is an apocalyptic number.

20316122 is a deficient number, since it is larger than the sum of its proper divisors (12057028).

20316122 is a wasteful number, since it uses less digits than its factorization.

20316122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35185 (or 35168 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 20316122 is about 4507.3409012410. The cubic root of 20316122 is about 272.8644373400.

Adding to 20316122 its reverse (22161302), we get a palindrome (42477424).

The spelling of 20316122 in words is "twenty million, three hundred sixteen thousand, one hundred twenty-two".