130020111020 has 24 divisors (see below), whose sum is σ = 279701801568. Its totient is φ = 50739555200.

The previous prime is 130020111017. The next prime is 130020111031. The reversal of 130020111020 is 20111020031.

It is a junction number, because it is equal to n+sod(n) for n = 130020110992 and 130020111010.

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, 79279736 + ... + 79281375.

It is an arithmetic number, because the mean of its divisors is an integer number (11654241732).

Almost surely, 2^130020111020 is an apocalyptic number.

130020111020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

130020111020 is an abundant number, since it is smaller than the sum of its proper divisors (149681690548).

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

130020111020 is a wasteful number, since it uses less digits than its factorization.

130020111020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158561161 (or 158561159 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 130020111020 its reverse (20111020031), we get a palindrome (150131131051).

The spelling of 130020111020 in words is "one hundred thirty billion, twenty million, one hundred eleven thousand, twenty".