130522420 has 24 divisors (see below), whose sum is σ = 313254144. Its totient is φ = 44750496.

The previous prime is 130522409. The next prime is 130522423. The reversal of 130522420 is 24225031.

It is a super-2 number, since 2×130522420² = 34072204245312800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130522423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 466012 + ... + 466291.

It is an arithmetic number, because the mean of its divisors is an integer number (13052256).

Almost surely, 2^130522420 is an apocalyptic number.

130522420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

130522420 is an abundant number, since it is smaller than the sum of its proper divisors (182731724).

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

130522420 is a wasteful number, since it uses less digits than its factorization.

130522420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 932319 (or 932317 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 130522420 is about 11424.6409133942. The cubic root of 130522420 is about 507.2573779406.

Adding to 130522420 its reverse (24225031), we get a palindrome (154747451).

The spelling of 130522420 in words is "one hundred thirty million, five hundred twenty-two thousand, four hundred twenty".