20032002 has 32 divisors (see below), whose sum is σ = 44673600. Its totient is φ = 6653664.

The previous prime is 20031997. The next prime is 20032013. The reversal of 20032002 is 20023002.

It is a super-2 number, since 2×20032002² = 802562208256008, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21633 + ... + 22539.

It is an arithmetic number, because the mean of its divisors is an integer number (1396050).

Almost surely, 2^20032002 is an apocalyptic number.

20032002 is an abundant number, since it is smaller than the sum of its proper divisors (24641598).

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

20032002 is a wasteful number, since it uses less digits than its factorization.

20032002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1327 (or 1321 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 9.

The square root of 20032002 is about 4475.7124572519. The cubic root of 20032002 is about 271.5864624959.

Adding to 20032002 its reverse (20023002), we get a palindrome (40055004).

It can be divided in two parts, 2003 and 2002, that added together give a triangular number (4005 = T₈₉).

The spelling of 20032002 in words is "twenty million, thirty-two thousand, two".