2042820394 has 32 divisors (see below), whose sum is σ = 3325662720. Its totient is φ = 938500992.

The previous prime is 2042820389. The next prime is 2042820401. The reversal of 2042820394 is 4930282402.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 126862 + ... + 142054.

It is an arithmetic number, because the mean of its divisors is an integer number (103926960).

Almost surely, 2^2042820394 is an apocalyptic number.

2042820394 is a deficient number, since it is larger than the sum of its proper divisors (1282842326).

2042820394 is a wasteful number, since it uses less digits than its factorization.

2042820394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15334.

The product of its (nonzero) digits is 27648, while the sum is 34.

The square root of 2042820394 is about 45197.5706648045. The cubic root of 2042820394 is about 1268.8493502600.

The spelling of 2042820394 in words is "two billion, forty-two million, eight hundred twenty thousand, three hundred ninety-four".