210210210102020 has 48 divisors (see below), whose sum is σ = 455759164159488. Its totient is φ = 81357823438080.

The previous prime is 210210210101933. The next prime is 210210210102071. The reversal of 210210210102020 is 20201012012012.

It is a super-2 number, since 2×210210210102020² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 210210210101986 and 210210210102004.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25257017 + ... + 32532096.

It is an arithmetic number, because the mean of its divisors is an integer number (9494982586656).

Almost surely, 2^{210210210102020} is an apocalyptic number.

210210210102020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210210210102020 is an abundant number, since it is smaller than the sum of its proper divisors (245548954057468).

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

210210210102020 is a wasteful number, since it uses less digits than its factorization.

210210210102020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57795020 (or 57795018 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 210210210102020 its reverse (20201012012012), we get a palindrome (230411222114032).

The spelling of 210210210102020 in words is "two hundred ten trillion, two hundred ten billion, two hundred ten million, one hundred two thousand, twenty".