202130004 has 12 divisors (see below), whose sum is σ = 471636704. Its totient is φ = 67376664.

The previous prime is 202129997. The next prime is 202130011. The reversal of 202130004 is 400031202.

It is an interprime number because it is at equal distance from previous prime (202129997) and next prime (202130011).

It is a tau number, because it is divible by the number of its divisors (12).

It is a Harshad number since it is a multiple of its sum of digits (12), and also a Moran number because the ratio is a prime number: 16844167 = 202130004 / (2 + 0 + 2 + 1 + 3 + 0 + 0 + 0 + 4).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8422072 + ... + 8422095.

Almost surely, 2^202130004 is an apocalyptic number.

It is an amenable number.

202130004 is an abundant number, since it is smaller than the sum of its proper divisors (269506700).

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

202130004 is a wasteful number, since it uses less digits than its factorization.

202130004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16844174 (or 16844172 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 202130004 is about 14217.2431926868. The cubic root of 202130004 is about 586.8722774198.

Adding to 202130004 its reverse (400031202), we get a palindrome (602161206).

The spelling of 202130004 in words is "two hundred two million, one hundred thirty thousand, four".