2002120234 has 8 divisors (see below), whose sum is σ = 3009696228. Its totient is φ = 998888160.

The previous prime is 2002120163. The next prime is 2002120247. The reversal of 2002120234 is 4320212002.

It can be written as a sum of positive squares in 2 ways, for example, as 1776369609 + 225750625 = 42147^2 + 15025^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

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, 1084827 + ... + 1086670.

Almost surely, 2^2002120234 is an apocalyptic number.

2002120234 is a deficient number, since it is larger than the sum of its proper divisors (1007575994).

2002120234 is a wasteful number, since it uses less digits than its factorization.

2002120234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2171960.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 2002120234 is about 44745.0582075831. The cubic root of 2002120234 is about 1260.3661138998.

Adding to 2002120234 its reverse (4320212002), we get a palindrome (6322332236).

The spelling of 2002120234 in words is "two billion, two million, one hundred twenty thousand, two hundred thirty-four".