20331001030122 has 48 divisors (see below), whose sum is σ = 46653879397320. Its totient is φ = 6376688833536.

The previous prime is 20331001030111. The next prime is 20331001030129. The reversal of 20331001030122 is 22103010013302.

20331001030122 is a `hidden beast` number, since 2 + 0 + 331 + 0 + 0 + 10 + 301 + 22 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 13425768046161 + 6905232983961 = 3664119^2 + 2627781^2 .

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 = 20331001030095 and 20331001030104.

It is not an unprimeable number, because it can be changed into a prime (20331001030129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7494097 + ... + 9839892.

Almost surely, 2^{20331001030122} is an apocalyptic number.

20331001030122 is an abundant number, since it is smaller than the sum of its proper divisors (26322878367198).

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

20331001030122 is a wasteful number, since it uses less digits than its factorization.

20331001030122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17337847 (or 17337844 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 20331001030122 its reverse (22103010013302), we get a palindrome (42434011043424).

The spelling of 20331001030122 in words is "twenty trillion, three hundred thirty-one billion, one million, thirty thousand, one hundred twenty-two".