210230100020 has 48 divisors (see below), whose sum is σ = 443462315520. Its totient is φ = 83715876864.

The previous prime is 210230100001. The next prime is 210230100127. The reversal of 210230100020 is 20001032012.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 210230099974 and 210230100010.

It is a congruent number.

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, 4210361 + ... + 4259999.

It is an arithmetic number, because the mean of its divisors is an integer number (9238798240).

Almost surely, 2^210230100020 is an apocalyptic number.

210230100020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210230100020 is an abundant number, since it is smaller than the sum of its proper divisors (233232215500).

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

210230100020 is a wasteful number, since it uses less digits than its factorization.

210230100020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50592 (or 50590 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

Adding to 210230100020 its reverse (20001032012), we get a palindrome (230231132032).

The spelling of 210230100020 in words is "two hundred ten billion, two hundred thirty million, one hundred thousand, twenty".