210000210030 has 48 divisors (see below), whose sum is σ = 588000591360. Its totient is φ = 51692359104.

The previous prime is 210000210029. The next prime is 210000210139. The reversal of 210000210030 is 30012000012.

It is a happy number.

It is a super-2 number, since 2×210000210030² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 210000209994 and 210000210021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 89742510 + ... + 89744849.

It is an arithmetic number, because the mean of its divisors is an integer number (12250012320).

Almost surely, 2^210000210030 is an apocalyptic number.

210000210030 is an abundant number, since it is smaller than the sum of its proper divisors (378000381330).

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

210000210030 is a wasteful number, since it uses less digits than its factorization.

210000210030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179487385 (or 179487382 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

Adding to 210000210030 its reverse (30012000012), we get a palindrome (240012210042).

The spelling of 210000210030 in words is "two hundred ten billion, two hundred ten thousand, thirty".