210020120200 has 48 divisors (see below), whose sum is σ = 532687401360. Its totient is φ = 76370952000.

The previous prime is 210020120117. The next prime is 210020120209. The reversal of 210020120200 is 2021020012.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (210020120209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 47729646 + ... + 47734045.

It is an arithmetic number, because the mean of its divisors is an integer number (11097654195).

Almost surely, 2^210020120200 is an apocalyptic number.

210020120200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210020120200 is an abundant number, since it is smaller than the sum of its proper divisors (322667281160).

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

210020120200 is a wasteful number, since it uses less digits than its factorization.

210020120200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95463718 (or 95463709 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 210020120200 its reverse (2021020012), we get a palindrome (212041140212).

The spelling of 210020120200 in words is "two hundred ten billion, twenty million, one hundred twenty thousand, two hundred".