20002204442 has 16 divisors (see below), whose sum is σ = 32795969472. Its totient is φ = 9073830720.

The previous prime is 20002204433. The next prime is 20002204447. The reversal of 20002204442 is 24440220002.

It is not an unprimeable number, because it can be changed into a prime (20002204447) 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, 892703 + ... + 914834.

It is an arithmetic number, because the mean of its divisors is an integer number (2049748092).

Almost surely, 2^20002204442 is an apocalyptic number.

20002204442 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20002204442 is a deficient number, since it is larger than the sum of its proper divisors (12793765030).

20002204442 is a wasteful number, since it uses less digits than its factorization.

20002204442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1808053.

The product of its (nonzero) digits is 1024, while the sum is 20.

Adding to 20002204442 its reverse (24440220002), we get a palindrome (44442424444).

The spelling of 20002204442 in words is "twenty billion, two million, two hundred four thousand, four hundred forty-two".