2042820428 has 24 divisors (see below), whose sum is σ = 3901122624. Its totient is φ = 928270800.

The previous prime is 2042820421. The next prime is 2042820457. The reversal of 2042820428 is 8240282402.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2042820394 and 2042820403.

It is not an unprimeable number, because it can be changed into a prime (2042820421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 220163 + ... + 229253.

It is an arithmetic number, because the mean of its divisors is an integer number (162546776).

Almost surely, 2^2042820428 is an apocalyptic number.

It is an amenable number.

2042820428 is a deficient number, since it is larger than the sum of its proper divisors (1858302196).

2042820428 is a wasteful number, since it uses less digits than its factorization.

2042820428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14213 (or 14211 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 32.

The square root of 2042820428 is about 45197.5710409309. The cubic root of 2042820428 is about 1268.8493572995.

The spelling of 2042820428 in words is "two billion, forty-two million, eight hundred twenty thousand, four hundred twenty-eight".