210020120199 has 6 divisors (see below), whose sum is σ = 303362395856. Its totient is φ = 140013413460.

The previous prime is 210020120117. The next prime is 210020120209. The reversal of 210020120199 is 991021020012.

210020120199 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-210020120199 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210020120099) 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 in 5 ways as a sum of consecutive naturals, for example, 11667784447 + ... + 11667784464.

Almost surely, 2^210020120199 is an apocalyptic number.

210020120199 is a deficient number, since it is larger than the sum of its proper divisors (93342275657).

210020120199 is a wasteful number, since it uses less digits than its factorization.

210020120199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23335568917 (or 23335568914 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 27.

The spelling of 210020120199 in words is "two hundred ten billion, twenty million, one hundred twenty thousand, one hundred ninety-nine".