210100212020 has 48 divisors (see below), whose sum is σ = 448031001600. Its totient is φ = 82742250624.

The previous prime is 210100211989. The next prime is 210100212061. The reversal of 210100212020 is 20212001012.

It is a happy number.

210100212020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 210100211992 and 210100212010.

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 15 ways as a sum of consecutive naturals, for example, 2571437 + ... + 2651883.

It is an arithmetic number, because the mean of its divisors is an integer number (9333979200).

Almost surely, 2^210100212020 is an apocalyptic number.

210100212020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210100212020 is an abundant number, since it is smaller than the sum of its proper divisors (237930789580).

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

210100212020 is a wasteful number, since it uses less digits than its factorization.

210100212020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82472 (or 82470 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 210100212020 its reverse (20212001012), we get a palindrome (230312213032).

The spelling of 210100212020 in words is "two hundred ten billion, one hundred million, two hundred twelve thousand, twenty".