20213331122 has 8 divisors (see below), whose sum is σ = 31365513900. Its totient is φ = 9758159824.

The previous prime is 20213331121. The next prime is 20213331133. The reversal of 20213331122 is 22113331202.

It can be written as a sum of positive squares in 2 ways, for example, as 20212593241 + 737881 = 142171^2 + 859^2 .

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

It is a super-6 number, since 6×20213331122⁶ (a number of 63 digits) contains 666666 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 20213331094 and 20213331103.

It is not an unprimeable number, because it can be changed into a prime (20213331121) 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 3 ways as a sum of consecutive naturals, for example, 174252797 + ... + 174252912.

Almost surely, 2^20213331122 is an apocalyptic number.

20213331122 is a deficient number, since it is larger than the sum of its proper divisors (11152182778).

20213331122 is a wasteful number, since it uses less digits than its factorization.

20213331122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348505740.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 20213331122 its reverse (22113331202), we get a palindrome (42326662324).

The spelling of 20213331122 in words is "twenty billion, two hundred thirteen million, three hundred thirty-one thousand, one hundred twenty-two".