20002222022 has 16 divisors (see below), whose sum is σ = 30705314640. Its totient is φ = 9767181312.

The previous prime is 20002222007. The next prime is 20002222033. The reversal of 20002222022 is 22022220002.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20002221988 and 20002222006.

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, 945254 + ... + 966182.

It is an arithmetic number, because the mean of its divisors is an integer number (1919082165).

Almost surely, 2^20002222022 is an apocalyptic number.

20002222022 is a deficient number, since it is larger than the sum of its proper divisors (10703092618).

20002222022 is a wasteful number, since it uses less digits than its factorization.

20002222022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32087.

The product of its (nonzero) digits is 128, while the sum is 14.

Adding to 20002222022 its reverse (22022220002), we get a palindrome (42024442024).

The spelling of 20002222022 in words is "twenty billion, two million, two hundred twenty-two thousand, twenty-two".