20002224404 has 24 divisors (see below), whose sum is σ = 36225289800. Its totient is φ = 9652415360.

The previous prime is 20002224401. The next prime is 20002224443. The reversal of 20002224404 is 40442220002.

It can be written as a sum of positive squares in 4 ways, for example, as 7056336004 + 12945888400 = 84002^2 + 113780^2 .

It is a super-2 number, since 2×20002224404² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20002224401) 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, 271142 + ... + 336930.

It is an arithmetic number, because the mean of its divisors is an integer number (1509387075).

Almost surely, 2^20002224404 is an apocalyptic number.

It is an amenable number.

20002224404 is a deficient number, since it is larger than the sum of its proper divisors (16223065396).

20002224404 is a wasteful number, since it uses less digits than its factorization.

20002224404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68443 (or 68441 counting only the distinct ones).

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

Adding to 20002224404 its reverse (40442220002), we get a palindrome (60444444406).

The spelling of 20002224404 in words is "twenty billion, two million, two hundred twenty-four thousand, four hundred four".