20321113011120 has 120 divisors (see below), whose sum is σ = 68248475432592. Its totient is φ = 5418693158400.

The previous prime is 20321113011107. The next prime is 20321113011139. The reversal of 20321113011120 is 2111031112302.

20321113011120 is a `hidden beast` number, since 2 + 0 + 321 + 11 + 301 + 11 + 20 = 666.

It is a tau number, because it is divible by the number of its divisors (120).

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 = 20321113011093 and 20321113011102.

It is an unprimeable number.

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, 13951755 + ... + 15339285.

Almost surely, 2^{20321113011120} is an apocalyptic number.

20321113011120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20321113011120 is an abundant number, since it is smaller than the sum of its proper divisors (47927362421472).

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

20321113011120 is a wasteful number, since it uses less digits than its factorization.

20321113011120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1407891 (or 1407882 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 20321113011120 its reverse (2111031112302), we get a palindrome (22432144123422).

The spelling of 20321113011120 in words is "twenty trillion, three hundred twenty-one billion, one hundred thirteen million, eleven thousand, one hundred twenty".