2146252820 has 24 divisors (see below), whose sum is σ = 4703094144. Its totient is φ = 821174816.

The previous prime is 2146252819. The next prime is 2146252831. The reversal of 2146252820 is 282526412.

It is a congruent number.

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, 2332424 + ... + 2333343.

It is an arithmetic number, because the mean of its divisors is an integer number (195962256).

Almost surely, 2^2146252820 is an apocalyptic number.

2146252820 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2146252820 is an abundant number, since it is smaller than the sum of its proper divisors (2556841324).

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

2146252820 is a wasteful number, since it uses less digits than its factorization.

2146252820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4665799 (or 4665797 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 32.

The square root of 2146252820 is about 46327.6679749801. The cubic root of 2146252820 is about 1289.9126235312.

The spelling of 2146252820 in words is "two billion, one hundred forty-six million, two hundred fifty-two thousand, eight hundred twenty".