202100130 has 128 divisors (see below), whose sum is σ = 569203200. Its totient is φ = 50948352.

The previous prime is 202100123. The next prime is 202100153. The reversal of 202100130 is 31001202.

It is a happy number.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 414747 + ... + 415233.

It is an arithmetic number, because the mean of its divisors is an integer number (4446900).

Almost surely, 2^202100130 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 202100130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (284601600).

202100130 is an abundant number, since it is smaller than the sum of its proper divisors (367103070).

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

202100130 is a wasteful number, since it uses less digits than its factorization.

202100130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 585 (or 579 counting only the distinct ones).

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

The square root of 202100130 is about 14216.1925282405. The cubic root of 202100130 is about 586.8433635428.

Adding to 202100130 its reverse (31001202), we get a palindrome (233101332).

The spelling of 202100130 in words is "two hundred two million, one hundred thousand, one hundred thirty".