210210000020 has 24 divisors (see below), whose sum is σ = 443420565504. Its totient is φ = 83706939936.

The previous prime is 210210000019. The next prime is 210210000053. The reversal of 210210000020 is 20000012012.

It is a junction number, because it is equal to n+sod(n) for n = 210209999962 and 210210000007.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23561684 + ... + 23570603.

It is an arithmetic number, because the mean of its divisors is an integer number (18475856896).

Almost surely, 2^210210000020 is an apocalyptic number.

210210000020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210210000020 is an abundant number, since it is smaller than the sum of its proper divisors (233210565484).

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

210210000020 is a wasteful number, since it uses less digits than its factorization.

210210000020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47132519 (or 47132517 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 8.

Adding to 210210000020 its reverse (20000012012), we get a palindrome (230210012032).

The spelling of 210210000020 in words is "two hundred ten billion, two hundred ten million, twenty", and thus it is an aban number.