102020252599 has 2 divisors, whose sum is σ = 102020252600. Its totient is φ = 102020252598.

The previous prime is 102020252591. The next prime is 102020252623. The reversal of 102020252599 is 995252020201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 102020252599 - 2³ = 102020252591 is a prime.

It is a super-3 number, since 3×102020252599³ (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102020252591) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51010126299 + 51010126300.

It is an arithmetic number, because the mean of its divisors is an integer number (51010126300).

Almost surely, 2^102020252599 is an apocalyptic number.

102020252599 is a deficient number, since it is larger than the sum of its proper divisors (1).

102020252599 is an equidigital number, since it uses as much as digits as its factorization.

102020252599 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32400, while the sum is 37.

The spelling of 102020252599 in words is "one hundred two billion, twenty million, two hundred fifty-two thousand, five hundred ninety-nine".