2133575420 has 24 divisors (see below), whose sum is σ = 4565048544. Its totient is φ = 837327296.

The previous prime is 2133575407. The next prime is 2133575449. The reversal of 2133575420 is 245753312.

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, 1005344 + ... + 1007463.

It is an arithmetic number, because the mean of its divisors is an integer number (190210356).

Almost surely, 2^2133575420 is an apocalyptic number.

2133575420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2133575420 is an abundant number, since it is smaller than the sum of its proper divisors (2431473124).

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

2133575420 is a wasteful number, since it uses less digits than its factorization.

2133575420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2012869 (or 2012867 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 32.

The square root of 2133575420 is about 46190.6421258679. The cubic root of 2133575420 is about 1287.3678718213.

The spelling of 2133575420 in words is "two billion, one hundred thirty-three million, five hundred seventy-five thousand, four hundred twenty".