20110031333120 has 72 divisors (see below), whose sum is σ = 48646738546560. Its totient is φ = 7964368793600.

The previous prime is 20110031333107. The next prime is 20110031333143. The reversal of 20110031333120 is 2133313001102.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 20110031333092 and 20110031333101.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77647760 + ... + 77906319.

It is an arithmetic number, because the mean of its divisors is an integer number (675649146480).

Almost surely, 2^{20110031333120} is an apocalyptic number.

20110031333120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20110031333120 is an abundant number, since it is smaller than the sum of its proper divisors (28536707213440).

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

20110031333120 is a wasteful number, since it uses less digits than its factorization.

20110031333120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155554201 (or 155554187 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 20110031333120 its reverse (2133313001102), we get a palindrome (22243344334222).

The spelling of 20110031333120 in words is "twenty trillion, one hundred ten billion, thirty-one million, three hundred thirty-three thousand, one hundred twenty".