2020200139 has 2 divisors, whose sum is σ = 2020200140. Its totient is φ = 2020200138.

The previous prime is 2020200121. The next prime is 2020200173. The reversal of 2020200139 is 9310020202.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2020200139 - 2⁹ = 2020199627 is a prime.

It is not a weakly prime, because it can be changed into another prime (2020200199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1010100069 + 1010100070.

It is an arithmetic number, because the mean of its divisors is an integer number (1010100070).

Almost surely, 2^2020200139 is an apocalyptic number.

2020200139 is a deficient number, since it is larger than the sum of its proper divisors (1).

2020200139 is an equidigital number, since it uses as much as digits as its factorization.

2020200139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 2020200139 is about 44946.6365704932. The cubic root of 2020200139 is about 1264.1486121782.

The spelling of 2020200139 in words is "two billion, twenty million, two hundred thousand, one hundred thirty-nine".