20235174373 has 2 divisors, whose sum is σ = 20235174374. Its totient is φ = 20235174372.

The previous prime is 20235174371. The next prime is 20235174383. The reversal of 20235174373 is 37347153202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10790638884 + 9444535489 = 103878^2 + 97183^2 .

It is a cyclic number.

It is not a de Polignac number, because 20235174373 - 2¹ = 20235174371 is a prime.

Together with 20235174371, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20235174371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10117587186 + 10117587187.

It is an arithmetic number, because the mean of its divisors is an integer number (10117587187).

Almost surely, 2^20235174373 is an apocalyptic number.

It is an amenable number.

20235174373 is a deficient number, since it is larger than the sum of its proper divisors (1).

20235174373 is an equidigital number, since it uses as much as digits as its factorization.

20235174373 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 105840, while the sum is 37.

The spelling of 20235174373 in words is "twenty billion, two hundred thirty-five million, one hundred seventy-four thousand, three hundred seventy-three".