2130042520 has 32 divisors (see below), whose sum is σ = 4794934320. Its totient is φ = 851601280.

The previous prime is 2130042511. The next prime is 2130042521. The reversal of 2130042520 is 252400312.

It is a super-2 number, since 2×2130042520² = 9074162274015900800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2130042521) 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, 77850 + ... + 101590.

Almost surely, 2^2130042520 is an apocalyptic number.

2130042520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2130042520 is an abundant number, since it is smaller than the sum of its proper divisors (2664891800).

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

2130042520 is a wasteful number, since it uses less digits than its factorization.

2130042520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25995 (or 25991 counting only the distinct ones).

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

The square root of 2130042520 is about 46152.3836870860. The cubic root of 2130042520 is about 1286.6569127142.

Adding to 2130042520 its reverse (252400312), we get a palindrome (2382442832).

The spelling of 2130042520 in words is "two billion, one hundred thirty million, forty-two thousand, five hundred twenty".