20023100137 has 2 divisors, whose sum is σ = 20023100138. Its totient is φ = 20023100136.

The previous prime is 20023100131. The next prime is 20023100143. The reversal of 20023100137 is 73100132002.

It is a balanced prime because it is at equal distance from previous prime (20023100131) and next prime (20023100143).

It can be written as a sum of positive squares in only one way, i.e., 18110699776 + 1912400361 = 134576^2 + 43731^2 .

It is a cyclic number.

It is not a de Polignac number, because 20023100137 - 2¹¹ = 20023098089 is a prime.

It is not a weakly prime, because it can be changed into another prime (20023100131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10011550068 + 10011550069.

It is an arithmetic number, because the mean of its divisors is an integer number (10011550069).

Almost surely, 2^20023100137 is an apocalyptic number.

It is an amenable number.

20023100137 is a deficient number, since it is larger than the sum of its proper divisors (1).

20023100137 is an equidigital number, since it uses as much as digits as its factorization.

20023100137 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 252, while the sum is 19.

Adding to 20023100137 its reverse (73100132002), we get a palindrome (93123232139).

The spelling of 20023100137 in words is "twenty billion, twenty-three million, one hundred thousand, one hundred thirty-seven".