210102204 has 96 divisors (see below), whose sum is σ = 547658496. Its totient is φ = 62277120.

The previous prime is 210102203. The next prime is 210102223. The reversal of 210102204 is 402201012.

It is a super-2 number, since 2×210102204² = 88285872251315232, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a self number, because there is not a number n which added to its sum of digits gives 210102204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210102203) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 684219 + ... + 684525.

It is an arithmetic number, because the mean of its divisors is an integer number (5704776).

Almost surely, 2^210102204 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 210102204, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (273829248).

210102204 is an abundant number, since it is smaller than the sum of its proper divisors (337556292).

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

210102204 is a wasteful number, since it uses less digits than its factorization.

210102204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 475 (or 473 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 210102204 is about 14494.9026902563. The cubic root of 210102204 is about 594.4886070340.

Adding to 210102204 its reverse (402201012), we get a palindrome (612303216).

The spelling of 210102204 in words is "two hundred ten million, one hundred two thousand, two hundred four".