20032031137 has 2 divisors, whose sum is σ = 20032031138. Its totient is φ = 20032031136.

The previous prime is 20032031119. The next prime is 20032031153. The reversal of 20032031137 is 73113023002.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15585275281 + 4446755856 = 124841^2 + 66684^2 .

It is a cyclic number.

It is not a de Polignac number, because 20032031137 - 2¹⁵ = 20031998369 is a prime.

It is not a weakly prime, because it can be changed into another prime (20032031237) 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, 10016015568 + 10016015569.

It is an arithmetic number, because the mean of its divisors is an integer number (10016015569).

Almost surely, 2^20032031137 is an apocalyptic number.

It is an amenable number.

20032031137 is a deficient number, since it is larger than the sum of its proper divisors (1).

20032031137 is an equidigital number, since it uses as much as digits as its factorization.

20032031137 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 756, while the sum is 22.

Adding to 20032031137 its reverse (73113023002), we get a palindrome (93145054139).

The spelling of 20032031137 in words is "twenty billion, thirty-two million, thirty-one thousand, one hundred thirty-seven".