20044002 has 32 divisors (see below), whose sum is σ = 44271360. Its totient is φ = 5999120.

The previous prime is 20043967. The next prime is 20044009.

20044002 is nontrivially palindromic in base 10.

It is not an unprimeable number, because it can be changed into a prime (20044009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3649 + ... + 7307.

It is an arithmetic number, because the mean of its divisors is an integer number (1383480).

Almost surely, 2^20044002 is an apocalyptic number.

20044002 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 20044002, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22135680).

20044002 is an abundant number, since it is smaller than the sum of its proper divisors (24227358).

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

20044002 is a wasteful number, since it uses less digits than its factorization.

20044002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3758.

The product of its (nonzero) digits is 64, while the sum is 12.

The square root of 20044002 is about 4477.0528252412. The cubic root of 20044002 is about 271.6406821890.

It can be divided in two parts, 2004 and 4002, that added together give a palindrome (6006).

The spelling of 20044002 in words is "twenty million, forty-four thousand, two".