130203677620 has 24 divisors (see below), whose sum is σ = 289511707464. Its totient is φ = 49017854976.

The previous prime is 130203677567. The next prime is 130203677683. The reversal of 130203677620 is 26776302031.

It can be written as a sum of positive squares in 4 ways, for example, as 73655788816 + 56547888804 = 271396^2 + 237798^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 130203677620.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 191475657 + ... + 191476336.

It is an arithmetic number, because the mean of its divisors is an integer number (12062987811).

Almost surely, 2^130203677620 is an apocalyptic number.

130203677620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

130203677620 is an abundant number, since it is smaller than the sum of its proper divisors (159308029844).

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

130203677620 is a wasteful number, since it uses less digits than its factorization.

130203677620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 382952019 (or 382952017 counting only the distinct ones).

The product of its (nonzero) digits is 63504, while the sum is 37.

Adding to 130203677620 its reverse (26776302031), we get a palindrome (156979979651).

The spelling of 130203677620 in words is "one hundred thirty billion, two hundred three million, six hundred seventy-seven thousand, six hundred twenty".