130201820 has 36 divisors (see below), whose sum is σ = 318066840. Its totient is φ = 44640288.

The previous prime is 130201789. The next prime is 130201823. The reversal of 130201820 is 28102031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130201823) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 65450 + ... + 67409.

It is an arithmetic number, because the mean of its divisors is an integer number (8835190).

Almost surely, 2^130201820 is an apocalyptic number.

130201820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

130201820 is an abundant number, since it is smaller than the sum of its proper divisors (187865020).

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

130201820 is a wasteful number, since it uses less digits than its factorization.

130201820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132882 (or 132873 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 130201820 is about 11410.6012111545. The cubic root of 130201820 is about 506.8417148696.

Adding to 130201820 its reverse (28102031), we get a palindrome (158303851).

The spelling of 130201820 in words is "one hundred thirty million, two hundred one thousand, eight hundred twenty".