2002053442 has 16 divisors (see below), whose sum is σ = 3016299960. Its totient is φ = 996628608.

The previous prime is 2002053419. The next prime is 2002053457. The reversal of 2002053442 is 2443502002.

It can be written as a sum of positive squares in 4 ways, for example, as 999761161 + 1002292281 = 31619^2 + 31659^2 .

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, 714388 + ... + 717184.

Almost surely, 2^2002053442 is an apocalyptic number.

2002053442 is a deficient number, since it is larger than the sum of its proper divisors (1014246518).

2002053442 is a wasteful number, since it uses less digits than its factorization.

2002053442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4245.

The product of its (nonzero) digits is 1920, while the sum is 22.

The square root of 2002053442 is about 44744.3118396071. The cubic root of 2002053442 is about 1260.3520982065.

Adding to 2002053442 its reverse (2443502002), we get a palindrome (4445555444).

The spelling of 2002053442 in words is "two billion, two million, fifty-three thousand, four hundred forty-two".