20331120224 has 24 divisors (see below), whose sum is σ = 40092873408. Its totient is φ = 10148803200.

The previous prime is 20331120223. The next prime is 20331120239. The reversal of 20331120224 is 42202113302.

It is a junction number, because it is equal to n+sod(n) for n = 20331120196 and 20331120205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20331120223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 503927 + ... + 542774.

It is an arithmetic number, because the mean of its divisors is an integer number (1670536392).

Almost surely, 2^20331120224 is an apocalyptic number.

It is an amenable number.

20331120224 is a deficient number, since it is larger than the sum of its proper divisors (19761753184).

20331120224 is a wasteful number, since it uses less digits than its factorization.

20331120224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1047318 (or 1047310 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 20331120224 its reverse (42202113302), we get a palindrome (62533233526).

The spelling of 20331120224 in words is "twenty billion, three hundred thirty-one million, one hundred twenty thousand, two hundred twenty-four".