20102208937 has 2 divisors, whose sum is σ = 20102208938. Its totient is φ = 20102208936.

The previous prime is 20102208911. The next prime is 20102208941. The reversal of 20102208937 is 73980220102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19941958656 + 160250281 = 141216^2 + 12659^2 .

It is a cyclic number.

It is not a de Polignac number, because 20102208937 - 2¹⁵ = 20102176169 is a prime.

It is not a weakly prime, because it can be changed into another prime (20102248937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10051104468 + 10051104469.

It is an arithmetic number, because the mean of its divisors is an integer number (10051104469).

Almost surely, 2^20102208937 is an apocalyptic number.

It is an amenable number.

20102208937 is a deficient number, since it is larger than the sum of its proper divisors (1).

20102208937 is an equidigital number, since it uses as much as digits as its factorization.

20102208937 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12096, while the sum is 34.

The spelling of 20102208937 in words is "twenty billion, one hundred two million, two hundred eight thousand, nine hundred thirty-seven".