2402020043 has 4 divisors (see below), whose sum is σ = 2432425440. Its totient is φ = 2371614648.

The previous prime is 2402020037. The next prime is 2402020063. The reversal of 2402020043 is 3400202042.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3400202042 = 2 ⋅1700101021.

It is a cyclic number.

It is not a de Polignac number, because 2402020043 - 2⁶ = 2402019979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2402020003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15202580 + ... + 15202737.

It is an arithmetic number, because the mean of its divisors is an integer number (608106360).

Almost surely, 2^2402020043 is an apocalyptic number.

2402020043 is a deficient number, since it is larger than the sum of its proper divisors (30405397).

2402020043 is an equidigital number, since it uses as much as digits as its factorization.

2402020043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30405396.

The product of its (nonzero) digits is 384, while the sum is 17.

The square root of 2402020043 is about 49010.4074967756. The cubic root of 2402020043 is about 1339.2414290875.

Adding to 2402020043 its reverse (3400202042), we get a palindrome (5802222085).

The spelling of 2402020043 in words is "two billion, four hundred two million, twenty thousand, forty-three".