20131162 has 24 divisors (see below), whose sum is σ = 33211260. Its totient is φ = 9139200.

The previous prime is 20131147. The next prime is 20131207. The reversal of 20131162 is 26113102.

It can be written as a sum of positive squares in 6 ways, for example, as 8767521 + 11363641 = 2961^2 + 3371^2 .

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 11 ways as a sum of consecutive naturals, for example, 16162 + ... + 17362.

Almost surely, 2^20131162 is an apocalyptic number.

20131162 is a deficient number, since it is larger than the sum of its proper divisors (13080098).

20131162 is a wasteful number, since it uses less digits than its factorization.

20131162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1266 (or 1249 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 20131162 is about 4486.7763483374. The cubic root of 20131162 is about 272.0338499539.

Adding to 20131162 its reverse (26113102), we get a palindrome (46244264).

The spelling of 20131162 in words is "twenty million, one hundred thirty-one thousand, one hundred sixty-two".