2003021292 has 12 divisors (see below), whose sum is σ = 4673716376. Its totient is φ = 667673760.

The previous prime is 2003021281. The next prime is 2003021297. The reversal of 2003021292 is 2921203002.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (2003021297) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83459209 + ... + 83459232.

Almost surely, 2^2003021292 is an apocalyptic number.

It is an amenable number.

2003021292 is an abundant number, since it is smaller than the sum of its proper divisors (2670695084).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2003021292 is a wasteful number, since it uses less digits than its factorization.

2003021292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166918448 (or 166918446 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 2003021292 is about 44755.1258740270. The cubic root of 2003021292 is about 1260.5551622603. Note that the first 3 decimals are identical.

Adding to 2003021292 its reverse (2921203002), we get a palindrome (4924224294).

The spelling of 2003021292 in words is "two billion, three million, twenty-one thousand, two hundred ninety-two".