20011033220331 has 16 divisors (see below), whose sum is σ = 26768710736768. Its totient is φ = 13297023633600.

The previous prime is 20011033220287. The next prime is 20011033220351. The reversal of 20011033220331 is 13302233011002.

It is not a de Polignac number, because 20011033220331 - 2⁹ = 20011033219819 is a prime.

It is a super-3 number, since 3×20011033220331³ (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20011033220298 and 20011033220307.

It is not an unprimeable number, because it can be changed into a prime (20011033220351) 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 15 ways as a sum of consecutive naturals, for example, 76903476 + ... + 77163246.

It is an arithmetic number, because the mean of its divisors is an integer number (1673044421048).

Almost surely, 2^{20011033220331} is an apocalyptic number.

20011033220331 is a deficient number, since it is larger than the sum of its proper divisors (6757677516437).

20011033220331 is a wasteful number, since it uses less digits than its factorization.

20011033220331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 343722.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 20011033220331 its reverse (13302233011002), we get a palindrome (33313266231333).

The spelling of 20011033220331 in words is "twenty trillion, eleven billion, thirty-three million, two hundred twenty thousand, three hundred thirty-one".