20011333222 has 4 divisors (see below), whose sum is σ = 30016999836. Its totient is φ = 10005666610.

The previous prime is 20011333219. The next prime is 20011333261. The reversal of 20011333222 is 22233311002.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 20011333222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5002833304 + ... + 5002833307.

It is an arithmetic number, because the mean of its divisors is an integer number (7504249959).

Almost surely, 2^20011333222 is an apocalyptic number.

20011333222 is a deficient number, since it is larger than the sum of its proper divisors (10005666614).

20011333222 is a wasteful number, since it uses less digits than its factorization.

20011333222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10005666613.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 20011333222 its reverse (22233311002), we get a palindrome (42244644224).

The spelling of 20011333222 in words is "twenty billion, eleven million, three hundred thirty-three thousand, two hundred twenty-two".