20373303133789 has 2 divisors, whose sum is σ = 20373303133790. Its totient is φ = 20373303133788.

The previous prime is 20373303133739. The next prime is 20373303133811. The reversal of 20373303133789 is 98733130337302.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13727951265625 + 6645351868164 = 3705125^2 + 2577858^2 .

It is a cyclic number.

It is not a de Polignac number, because 20373303133789 - 2¹³ = 20373303125597 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20373303133709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10186651566894 + 10186651566895.

It is an arithmetic number, because the mean of its divisors is an integer number (10186651566895).

Almost surely, 2^{20373303133789} is an apocalyptic number.

It is an amenable number.

20373303133789 is a deficient number, since it is larger than the sum of its proper divisors (1).

20373303133789 is an equidigital number, since it uses as much as digits as its factorization.

20373303133789 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5143824, while the sum is 52.

The spelling of 20373303133789 in words is "twenty trillion, three hundred seventy-three billion, three hundred three million, one hundred thirty-three thousand, seven hundred eighty-nine".