2002013321 has 8 divisors (see below), whose sum is σ = 2496016704. Its totient is φ = 1560010320.

The previous prime is 2002013309. The next prime is 2002013329. The reversal of 2002013321 is 1233102002.

It is a happy number.

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

It is not a de Polignac number, because 2002013321 - 2¹⁰ = 2002012297 is a prime.

It is a super-2 number, since 2×2002013321² = 8016114674922898082, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2002013296 and 2002013305.

It is not an unprimeable number, because it can be changed into a prime (2002013329) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13000010 + ... + 13000163.

It is an arithmetic number, because the mean of its divisors is an integer number (312002088).

Almost surely, 2^2002013321 is an apocalyptic number.

It is an amenable number.

2002013321 is a deficient number, since it is larger than the sum of its proper divisors (494003383).

2002013321 is a wasteful number, since it uses less digits than its factorization.

2002013321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26000191.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 2002013321 is about 44743.8635010434. The cubic root of 2002013321 is about 1260.3436790299.

Adding to 2002013321 its reverse (1233102002), we get a palindrome (3235115323).

The spelling of 2002013321 in words is "two billion, two million, thirteen thousand, three hundred twenty-one".