20022021222 has 24 divisors (see below), whose sum is σ = 46581845976. Its totient is φ = 5720577408.

The previous prime is 20022021211. The next prime is 20022021241. The reversal of 20022021222 is 22212022002.

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, 34050763 + ... + 34051350.

It is an arithmetic number, because the mean of its divisors is an integer number (1940910249).

Almost surely, 2^20022021222 is an apocalyptic number.

20022021222 is an abundant number, since it is smaller than the sum of its proper divisors (26559824754).

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

20022021222 is a wasteful number, since it uses less digits than its factorization.

20022021222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68102132 (or 68102125 counting only the distinct ones).

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

Adding to 20022021222 its reverse (22212022002), we get a palindrome (42234043224).

The spelling of 20022021222 in words is "twenty billion, twenty-two million, twenty-one thousand, two hundred twenty-two".