210120093 has 6 divisors (see below), whose sum is σ = 303506814. Its totient is φ = 140080056.

The previous prime is 210120083. The next prime is 210120101. The reversal of 210120093 is 390021012.

It is a happy number.

210120093 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 131744484 + 78375609 = 11478^2 + 8853^2 .

It is not a de Polignac number, because 210120093 - 2²⁰ = 209071517 is a prime.

It is a super-3 number, since 3×210120093³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210120083) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11673330 + ... + 11673347.

It is an arithmetic number, because the mean of its divisors is an integer number (50584469).

Almost surely, 2^210120093 is an apocalyptic number.

It is an amenable number.

210120093 is a deficient number, since it is larger than the sum of its proper divisors (93386721).

210120093 is a wasteful number, since it uses less digits than its factorization.

210120093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23346683 (or 23346680 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The square root of 210120093 is about 14495.5197561178. The cubic root of 210120093 is about 594.5054789891.

The spelling of 210120093 in words is "two hundred ten million, one hundred twenty thousand, ninety-three".