20202112031399 has 2 divisors, whose sum is σ = 20202112031400. Its totient is φ = 20202112031398.

The previous prime is 20202112031383. The next prime is 20202112031473. The reversal of 20202112031399 is 99313021120202.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20202112031399 - 2⁴ = 20202112031383 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20202112331399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10101056015699 + 10101056015700.

It is an arithmetic number, because the mean of its divisors is an integer number (10101056015700).

Almost surely, 2^{20202112031399} is an apocalyptic number.

20202112031399 is a deficient number, since it is larger than the sum of its proper divisors (1).

20202112031399 is an equidigital number, since it uses as much as digits as its factorization.

20202112031399 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11664, while the sum is 35.

The spelling of 20202112031399 in words is "twenty trillion, two hundred two billion, one hundred twelve million, thirty-one thousand, three hundred ninety-nine".