20002204442420 has 24 divisors (see below), whose sum is σ = 42031572710400. Its totient is φ = 7995749704352.

The previous prime is 20002204442419. The next prime is 20002204442447. The reversal of 20002204442420 is 2424440220002.

It is a self number, because there is not a number n which added to its sum of digits gives 20002204442420.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 320722580 + ... + 320784939.

It is an arithmetic number, because the mean of its divisors is an integer number (1751315529600).

Almost surely, 2^{20002204442420} is an apocalyptic number.

20002204442420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20002204442420 is an abundant number, since it is smaller than the sum of its proper divisors (22029368267980).

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

20002204442420 is a wasteful number, since it uses less digits than its factorization.

20002204442420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 641509087 (or 641509085 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 26.

Adding to 20002204442420 its reverse (2424440220002), we get a palindrome (22426644662422).

The spelling of 20002204442420 in words is "twenty trillion, two billion, two hundred four million, four hundred forty-two thousand, four hundred twenty".