2143020736 has 28 divisors (see below), whose sum is σ = 4259732400. Its totient is φ = 1069702400.

The previous prime is 2143020721. The next prime is 2143020739. The reversal of 2143020736 is 6370203412.

It is not an unprimeable number, because it can be changed into a prime (2143020739) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10386 + ... + 66286.

It is an arithmetic number, because the mean of its divisors is an integer number (152133300).

Almost surely, 2^2143020736 is an apocalyptic number.

It is an amenable number.

2143020736 is a deficient number, since it is larger than the sum of its proper divisors (2116711664).

2143020736 is an equidigital number, since it uses as much as digits as its factorization.

2143020736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56512 (or 56502 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 28.

The square root of 2143020736 is about 46292.7719628021. The cubic root of 2143020736 is about 1289.2647967009.

The spelling of 2143020736 in words is "two billion, one hundred forty-three million, twenty thousand, seven hundred thirty-six".