2321110020 has 48 divisors (see below), whose sum is σ = 6508393920. Its totient is φ = 618078336.

The previous prime is 2321110013. The next prime is 2321110063. The reversal of 2321110020 is 200111232.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 2321109978 and 2321110005.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15259 + ... + 69821.

It is an arithmetic number, because the mean of its divisors is an integer number (135591540).

Almost surely, 2^2321110020 is an apocalyptic number.

2321110020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2321110020 is an abundant number, since it is smaller than the sum of its proper divisors (4187283900).

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

2321110020 is a wasteful number, since it uses less digits than its factorization.

2321110020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55284 (or 55282 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 2321110020 is about 48177.8997051553. The cubic root of 2321110020 is about 1324.0322864012.

Adding to 2321110020 its reverse (200111232), we get a palindrome (2521221252).

The spelling of 2321110020 in words is "two billion, three hundred twenty-one million, one hundred ten thousand, twenty".