130204120240 has 20 divisors (see below), whose sum is σ = 302724579744. Its totient is φ = 52081648064.

The previous prime is 130204120213. The next prime is 130204120243. The reversal of 130204120240 is 42021402031.

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-2 number, since 2×130204120240² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (130204120243) 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, 813775672 + ... + 813775831.

Almost surely, 2^130204120240 is an apocalyptic number.

130204120240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

130204120240 is an abundant number, since it is smaller than the sum of its proper divisors (172520459504).

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

130204120240 is a wasteful number, since it uses less digits than its factorization.

130204120240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1627551516 (or 1627551510 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 130204120240 its reverse (42021402031), we get a palindrome (172225522271).

The spelling of 130204120240 in words is "one hundred thirty billion, two hundred four million, one hundred twenty thousand, two hundred forty".