20200201102139 has 2 divisors, whose sum is σ = 20200201102140. Its totient is φ = 20200201102138.

The previous prime is 20200201102091. The next prime is 20200201102141. The reversal of 20200201102139 is 93120110200202.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20200201102139 is a prime.

Together with 20200201102141, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (20200201192139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10100100551069 + 10100100551070.

It is an arithmetic number, because the mean of its divisors is an integer number (10100100551070).

Almost surely, 2^{20200201102139} is an apocalyptic number.

20200201102139 is a deficient number, since it is larger than the sum of its proper divisors (1).

20200201102139 is an equidigital number, since it uses as much as digits as its factorization.

20200201102139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 23.

The spelling of 20200201102139 in words is "twenty trillion, two hundred billion, two hundred one million, one hundred two thousand, one hundred thirty-nine".