20132211222 has 48 divisors (see below), whose sum is σ = 44704859472. Its totient is φ = 6543959040.

The previous prime is 20132211157. The next prime is 20132211227. The reversal of 20132211222 is 22211223102.

20132211222 is a `hidden beast` number, since 201 + 32 + 211 + 222 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 20132211195 and 20132211204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20132211227) 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 23 ways as a sum of consecutive naturals, for example, 1955733 + ... + 1965999.

It is an arithmetic number, because the mean of its divisors is an integer number (931351239).

Almost surely, 2^20132211222 is an apocalyptic number.

20132211222 is an abundant number, since it is smaller than the sum of its proper divisors (24572648250).

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

20132211222 is a wasteful number, since it uses less digits than its factorization.

20132211222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12973 (or 12970 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 20132211222 its reverse (22211223102), we get a palindrome (42343434324).

The spelling of 20132211222 in words is "twenty billion, one hundred thirty-two million, two hundred eleven thousand, two hundred twenty-two".