20004042222 has 48 divisors (see below), whose sum is σ = 45914658192. Its totient is φ = 6272628480.

The previous prime is 20004042187. The next prime is 20004042271. The reversal of 20004042222 is 22224040002.

20004042222 is a `hidden beast` number, since 200 + 0 + 40 + 422 + 2 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 20004042195 and 20004042204.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 636748 + ... + 667424.

It is an arithmetic number, because the mean of its divisors is an integer number (956555379).

Almost surely, 2^20004042222 is an apocalyptic number.

20004042222 is an abundant number, since it is smaller than the sum of its proper divisors (25910615970).

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

20004042222 is a wasteful number, since it uses less digits than its factorization.

20004042222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32833 (or 32830 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 18.

Adding to 20004042222 its reverse (22224040002), we get a palindrome (42228082224).

The spelling of 20004042222 in words is "twenty billion, four million, forty-two thousand, two hundred twenty-two".