20137412 has 6 divisors (see below), whose sum is σ = 35240478. Its totient is φ = 10068704.

The previous prime is 20137409. The next prime is 20137417. The reversal of 20137412 is 21473102.

It can be written as a sum of positive squares in only one way, i.e., 19149376 + 988036 = 4376^2 + 994^2 .

It is not an unprimeable number, because it can be changed into a prime (20137417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2517173 + ... + 2517180.

It is an arithmetic number, because the mean of its divisors is an integer number (5873413).

Almost surely, 2^20137412 is an apocalyptic number.

It is an amenable number.

20137412 is a deficient number, since it is larger than the sum of its proper divisors (15103066).

20137412 is a wasteful number, since it uses less digits than its factorization.

20137412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5034357 (or 5034355 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 20137412 is about 4487.4727854328. The cubic root of 20137412 is about 272.0619992752.

The spelling of 20137412 in words is "twenty million, one hundred thirty-seven thousand, four hundred twelve".