2002134442 has 32 divisors (see below), whose sum is σ = 3865042944. Its totient is φ = 754887600.

The previous prime is 2002134437. The next prime is 2002134461. The reversal of 2002134442 is 2444312002.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 204918 + ... + 214465.

It is an arithmetic number, because the mean of its divisors is an integer number (120782592).

Almost surely, 2^2002134442 is an apocalyptic number.

2002134442 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2002134442 is a deficient number, since it is larger than the sum of its proper divisors (1862908502).

2002134442 is a wasteful number, since it uses less digits than its factorization.

2002134442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 419434.

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 2002134442 is about 44745.2169734375. The cubic root of 2002134442 is about 1260.3690952791.

Adding to 2002134442 its reverse (2444312002), we get a palindrome (4446446444).

The spelling of 2002134442 in words is "two billion, two million, one hundred thirty-four thousand, four hundred forty-two".