20020200139 has 2 divisors, whose sum is σ = 20020200140. Its totient is φ = 20020200138.

The previous prime is 20020200133. The next prime is 20020200217. The reversal of 20020200139 is 93100202002.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20020200139 - 2²¹ = 20018102987 is a prime.

It is a super-3 number, since 3×20020200139³ (a number of 32 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (20020200133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10010100069 + 10010100070.

It is an arithmetic number, because the mean of its divisors is an integer number (10010100070).

Almost surely, 2^20020200139 is an apocalyptic number.

20020200139 is a deficient number, since it is larger than the sum of its proper divisors (1).

20020200139 is an equidigital number, since it uses as much as digits as its factorization.

20020200139 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 spelling of 20020200139 in words is "twenty billion, twenty million, two hundred thousand, one hundred thirty-nine".