210123030220 has 24 divisors (see below), whose sum is σ = 441852282144. Its totient is φ = 83936084736.

The previous prime is 210123030217. The next prime is 210123030253. The reversal of 210123030220 is 22030321012.

210123030220 is digitally balanced in base 3, 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 = 210123030194 and 210123030203.

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, 7055229 + ... + 7084948.

It is an arithmetic number, because the mean of its divisors is an integer number (18410511756).

Almost surely, 2^210123030220 is an apocalyptic number.

210123030220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210123030220 is an abundant number, since it is smaller than the sum of its proper divisors (231729251924).

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

210123030220 is a wasteful number, since it uses less digits than its factorization.

210123030220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14140929 (or 14140927 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 210123030220 its reverse (22030321012), we get a palindrome (232153351232).

The spelling of 210123030220 in words is "two hundred ten billion, one hundred twenty-three million, thirty thousand, two hundred twenty".