130030020020 has 12 divisors (see below), whose sum is σ = 273063042084. Its totient is φ = 52012008000.

The previous prime is 130030020007. The next prime is 130030020031. The reversal of 130030020020 is 20020030031.

It can be written as a sum of positive squares in 2 ways, for example, as 26157886756 + 103872133264 = 161734^2 + 322292^2 .

It is a super-2 number, since 2×130030020020² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 130030019983 and 130030020010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3250750481 + ... + 3250750520.

It is an arithmetic number, because the mean of its divisors is an integer number (22755253507).

Almost surely, 2^130030020020 is an apocalyptic number.

130030020020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

130030020020 is an abundant number, since it is smaller than the sum of its proper divisors (143033022064).

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

130030020020 is a wasteful number, since it uses less digits than its factorization.

130030020020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6501501010 (or 6501501008 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 11.

Adding to 130030020020 its reverse (20020030031), we get a palindrome (150050050051).

The spelling of 130030020020 in words is "one hundred thirty billion, thirty million, twenty thousand, twenty".