130205502 has 64 divisors (see below), whose sum is σ = 331891200. Its totient is φ = 37065600.

The previous prime is 130205483. The next prime is 130205513. The reversal of 130205502 is 205502031.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 151149 + ... + 152007.

It is an arithmetic number, because the mean of its divisors is an integer number (5185800).

Almost surely, 2^130205502 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 130205502, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (165945600).

130205502 is an abundant number, since it is smaller than the sum of its proper divisors (201685698).

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

130205502 is a wasteful number, since it uses less digits than its factorization.

130205502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1278 (or 1272 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 18.

The square root of 130205502 is about 11410.7625512058. The cubic root of 130205502 is about 506.8464925130.

Adding to 130205502 its reverse (205502031), we get a palindrome (335707533).

The spelling of 130205502 in words is "one hundred thirty million, two hundred five thousand, five hundred two".