130020123020 has 12 divisors (see below), whose sum is σ = 273042258384. Its totient is φ = 52008049200.

The previous prime is 130020123019. The next prime is 130020123029. The reversal of 130020123020 is 20321020031.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 130020122986 and 130020123004.

It is not an unprimeable number, because it can be changed into a prime (130020123029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3250503056 + ... + 3250503095.

It is an arithmetic number, because the mean of its divisors is an integer number (22753521532).

Almost surely, 2^130020123020 is an apocalyptic number.

130020123020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

130020123020 is an abundant number, since it is smaller than the sum of its proper divisors (143022135364).

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

130020123020 is a wasteful number, since it uses less digits than its factorization.

130020123020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6501006160 (or 6501006158 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 130020123020 its reverse (20321020031), we get a palindrome (150341143051).

The spelling of 130020123020 in words is "one hundred thirty billion, twenty million, one hundred twenty-three thousand, twenty".