130208820 has 48 divisors (see below), whose sum is σ = 416669568. Its totient is φ = 29761920.

The previous prime is 130208807. The next prime is 130208821. The reversal of 130208820 is 28802031.

It is a hoax number, since the sum of its digits (24) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130208821) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 154591 + ... + 155430.

It is an arithmetic number, because the mean of its divisors is an integer number (8680616).

Almost surely, 2^130208820 is an apocalyptic number.

130208820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

130208820 is an abundant number, since it is smaller than the sum of its proper divisors (286460748).

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

130208820 is a wasteful number, since it uses less digits than its factorization.

130208820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310040 (or 310038 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 24.

The square root of 130208820 is about 11410.9079393359. The cubic root of 130208820 is about 506.8507977647.

The spelling of 130208820 in words is "one hundred thirty million, two hundred eight thousand, eight hundred twenty".