210023115220 has 24 divisors (see below), whose sum is σ = 441061899264. Its totient is φ = 84006701856.

The previous prime is 210023115209. The next prime is 210023115301. The reversal of 210023115220 is 22511320012.

210023115220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 608157 + ... + 888763.

It is an arithmetic number, because the mean of its divisors is an integer number (18377579136).

Almost surely, 2^210023115220 is an apocalyptic number.

210023115220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210023115220 is an abundant number, since it is smaller than the sum of its proper divisors (231038784044).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

210023115220 is a wasteful number, since it uses less digits than its factorization.

210023115220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318039 (or 318037 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

Adding to 210023115220 its reverse (22511320012), we get a palindrome (232534435232).

The spelling of 210023115220 in words is "two hundred ten billion, twenty-three million, one hundred fifteen thousand, two hundred twenty".