2132100420 has 24 divisors (see below), whose sum is σ = 5969881344. Its totient is φ = 568560096.

The previous prime is 2132100419. The next prime is 2132100457. The reversal of 2132100420 is 240012312.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 2132100420.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17767444 + ... + 17767563.

It is an arithmetic number, because the mean of its divisors is an integer number (248745056).

Almost surely, 2^2132100420 is an apocalyptic number.

2132100420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2132100420 is an abundant number, since it is smaller than the sum of its proper divisors (3837780924).

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

2132100420 is a wasteful number, since it uses less digits than its factorization.

2132100420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35535019 (or 35535017 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 2132100420 is about 46174.6729279158. The cubic root of 2132100420 is about 1287.0711390316.

Adding to 2132100420 its reverse (240012312), we get a palindrome (2372112732).

The spelling of 2132100420 in words is "two billion, one hundred thirty-two million, one hundred thousand, four hundred twenty".