2130552500 has 120 divisors (see below), whose sum is σ = 4946016768. Its totient is φ = 801360000.

The previous prime is 2130552493. The next prime is 2130552503. The reversal of 2130552500 is 52550312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2130552503) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 2867129 + ... + 2867871.

Almost surely, 2^2130552500 is an apocalyptic number.

2130552500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2130552500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2473008384).

2130552500 is an abundant number, since it is smaller than the sum of its proper divisors (2815464268).

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

2130552500 is a wasteful number, since it uses less digits than its factorization.

2130552500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 835 (or 818 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 23.

The square root of 2130552500 is about 46157.9083148273. The cubic root of 2130552500 is about 1286.7595893706.

The spelling of 2130552500 in words is "two billion, one hundred thirty million, five hundred fifty-two thousand, five hundred".