20004002224 has 10 divisors (see below), whose sum is σ = 38757754340. Its totient is φ = 10002001104.

The previous prime is 20004002203. The next prime is 20004002231. The reversal of 20004002224 is 42220040002.

It is a Harshad number since it is a multiple of its sum of digits (16), and also a Moran number because the ratio is a prime number: 1250250139 = 20004002224 / (2 + 0 + 0 + 0 + 4 + 0 + 0 + 2 + 2 + 2 + 4).

It is a junction number, because it is equal to n+sod(n) for n = 20004002198 and 20004002207.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 625125054 + ... + 625125085.

It is an arithmetic number, because the mean of its divisors is an integer number (3875775434).

Almost surely, 2^20004002224 is an apocalyptic number.

It is an amenable number.

20004002224 is a deficient number, since it is larger than the sum of its proper divisors (18753752116).

20004002224 is a wasteful number, since it uses less digits than its factorization.

20004002224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1250250147 (or 1250250141 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 16.

Adding to 20004002224 its reverse (42220040002), we get a palindrome (62224042226).

The spelling of 20004002224 in words is "twenty billion, four million, two thousand, two hundred twenty-four".