20031011222 has 8 divisors (see below), whose sum is σ = 30458113176. Its totient is φ = 9878306832.

The previous prime is 20031011207. The next prime is 20031011251. The reversal of 20031011222 is 22211013002.

It is a happy number.

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 = 20031011197 and 20031011206.

It is a congruent number.

It is an unprimeable number.

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, 68599208 + ... + 68599499.

It is an arithmetic number, because the mean of its divisors is an integer number (3807264147).

Almost surely, 2^20031011222 is an apocalyptic number.

20031011222 is a deficient number, since it is larger than the sum of its proper divisors (10427101954).

20031011222 is a wasteful number, since it uses less digits than its factorization.

20031011222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137198782.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 20031011222 its reverse (22211013002), we get a palindrome (42242024224).

The spelling of 20031011222 in words is "twenty billion, thirty-one million, eleven thousand, two hundred twenty-two".