130001023020 has 72 divisors (see below), whose sum is σ = 400102344432. Its totient is φ = 31515397760.

The previous prime is 130001022989. The next prime is 130001023021. The reversal of 130001023020 is 20320100031.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 130001022987 and 130001023005.

It is not an unprimeable number, because it can be changed into a prime (130001023021) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8945979 + ... + 8960498.

It is an arithmetic number, because the mean of its divisors is an integer number (5556977006).

Almost surely, 2^130001023020 is an apocalyptic number.

130001023020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

130001023020 is an abundant number, since it is smaller than the sum of its proper divisors (270101321412).

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

130001023020 is a wasteful number, since it uses less digits than its factorization.

130001023020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17906511 (or 17906498 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

Adding to 130001023020 its reverse (20320100031), we get a palindrome (150321123051).

The spelling of 130001023020 in words is "one hundred thirty billion, one million, twenty-three thousand, twenty".