130020840672 has 48 divisors (see below), whose sum is σ = 341324039952. Its totient is φ = 43337825280.

The previous prime is 130020840671. The next prime is 130020840673. The reversal of 130020840672 is 276048020031.

It is an interprime number because it is at equal distance from previous prime (130020840671) and next prime (130020840673).

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-3 number, since 3×130020840672³ (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130020840671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2619348 + ... + 2668524.

It is an arithmetic number, because the mean of its divisors is an integer number (7110917499).

Almost surely, 2^130020840672 is an apocalyptic number.

130020840672 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

130020840672 is an abundant number, since it is smaller than the sum of its proper divisors (211303199280).

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

130020840672 is a wasteful number, since it uses less digits than its factorization.

130020840672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76731 (or 76723 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 33.

The spelling of 130020840672 in words is "one hundred thirty billion, twenty million, eight hundred forty thousand, six hundred seventy-two".