20011022222 has 8 divisors (see below), whose sum is σ = 30018359856. Its totient is φ = 10004902272.

The previous prime is 20011022197. The next prime is 20011022237. The reversal of 20011022222 is 22222011002.

20011022222 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

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

It is a junction number, because it is equal to n+sod(n) for n = 20011022197 and 20011022206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 262163 + ... + 329774.

It is an arithmetic number, because the mean of its divisors is an integer number (3752294982).

Almost surely, 2^20011022222 is an apocalyptic number.

20011022222 is a deficient number, since it is larger than the sum of its proper divisors (10007337634).

20011022222 is a wasteful number, since it uses less digits than its factorization.

20011022222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 608842.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 20011022222 its reverse (22222011002), we get a palindrome (42233033224).

The spelling of 20011022222 in words is "twenty billion, eleven million, twenty-two thousand, two hundred twenty-two".