20608624373 has 2 divisors, whose sum is σ = 20608624374. Its totient is φ = 20608624372.

The previous prime is 20608624367. The next prime is 20608624423. The reversal of 20608624373 is 37342680602.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20339893924 + 268730449 = 142618^2 + 16393^2 .

It is a cyclic number.

It is not a de Polignac number, because 20608624373 - 2³² = 16313657077 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20608624373.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20608624313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10304312186 + 10304312187.

It is an arithmetic number, because the mean of its divisors is an integer number (10304312187).

Almost surely, 2^20608624373 is an apocalyptic number.

It is an amenable number.

20608624373 is a deficient number, since it is larger than the sum of its proper divisors (1).

20608624373 is an equidigital number, since it uses as much as digits as its factorization.

20608624373 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 290304, while the sum is 41.

The spelling of 20608624373 in words is "twenty billion, six hundred eight million, six hundred twenty-four thousand, three hundred seventy-three".