20003331222 has 24 divisors (see below), whose sum is σ = 49532058576. Its totient is φ = 5715237456.

The previous prime is 20003331211. The next prime is 20003331239. The reversal of 20003331222 is 22213330002.

It is a happy number.

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 = 20003331195 and 20003331204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 79378173 + ... + 79378424.

It is an arithmetic number, because the mean of its divisors is an integer number (2063835774).

Almost surely, 2^20003331222 is an apocalyptic number.

20003331222 is an abundant number, since it is smaller than the sum of its proper divisors (29528727354).

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

20003331222 is a wasteful number, since it uses less digits than its factorization.

20003331222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158756612 (or 158756609 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 20003331222 its reverse (22213330002), we get a palindrome (42216661224).

The spelling of 20003331222 in words is "twenty billion, three million, three hundred thirty-one thousand, two hundred twenty-two".