20095137 has 6 divisors (see below), whose sum is σ = 29026322. Its totient is φ = 13396752.

The previous prime is 20095133. The next prime is 20095171. The reversal of 20095137 is 73159002.

It can be written as a sum of positive squares in only one way, i.e., 18740241 + 1354896 = 4329^2 + 1164^2 .

It is not a de Polignac number, because 20095137 - 2² = 20095133 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20095137.

It is not an unprimeable number, because it can be changed into a prime (20095133) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1116388 + ... + 1116405.

Almost surely, 2^20095137 is an apocalyptic number.

It is an amenable number.

20095137 is a deficient number, since it is larger than the sum of its proper divisors (8931185).

20095137 is a wasteful number, since it uses less digits than its factorization.

20095137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2232799 (or 2232796 counting only the distinct ones).

The product of its (nonzero) digits is 1890, while the sum is 27.

The square root of 20095137 is about 4482.7599757292. The cubic root of 20095137 is about 271.8714835851.

The spelling of 20095137 in words is "twenty million, ninety-five thousand, one hundred thirty-seven".