20022221022 has 8 divisors (see below), whose sum is σ = 40044442056. Its totient is φ = 6674073672.

The previous prime is 20022220993. The next prime is 20022221029. The reversal of 20022221022 is 22012222002.

It is a sphenic number, since it is the product of 3 distinct primes.

20022221022 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 20022220992 and 20022221010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20022221029) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1668518413 + ... + 1668518424.

It is an arithmetic number, because the mean of its divisors is an integer number (5005555257).

Almost surely, 2^20022221022 is an apocalyptic number.

20022221022 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

20022221022 is a wasteful number, since it uses less digits than its factorization.

20022221022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3337036842.

The product of its (nonzero) digits is 128, while the sum is 15.

Adding to 20022221022 its reverse (22012222002), we get a palindrome (42034443024).

The spelling of 20022221022 in words is "twenty billion, twenty-two million, two hundred twenty-one thousand, twenty-two".