20372370113 has 2 divisors, whose sum is σ = 20372370114. Its totient is φ = 20372370112.

The previous prime is 20372370077. The next prime is 20372370143. The reversal of 20372370113 is 31107327302.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20370996529 + 1373584 = 142727^2 + 1172^2 .

It is a cyclic number.

It is not a de Polignac number, because 20372370113 - 2¹⁶ = 20372304577 is a prime.

It is not a weakly prime, because it can be changed into another prime (20372370143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10186185056 + 10186185057.

It is an arithmetic number, because the mean of its divisors is an integer number (10186185057).

Almost surely, 2^20372370113 is an apocalyptic number.

It is an amenable number.

20372370113 is a deficient number, since it is larger than the sum of its proper divisors (1).

20372370113 is an equidigital number, since it uses as much as digits as its factorization.

20372370113 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5292, while the sum is 29.

Adding to 20372370113 its reverse (31107327302), we get a palindrome (51479697415).

The spelling of 20372370113 in words is "twenty billion, three hundred seventy-two million, three hundred seventy thousand, one hundred thirteen".