21323000222020 has 96 divisors (see below), whose sum is σ = 54191199928320. Its totient is φ = 6884493989760.

The previous prime is 21323000222011. The next prime is 21323000222059. The reversal of 21323000222020 is 2022200032312.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23556276 + ... + 24444715.

It is an arithmetic number, because the mean of its divisors is an integer number (564491665920).

Almost surely, 2^{21323000222020} is an apocalyptic number.

21323000222020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21323000222020 is an abundant number, since it is smaller than the sum of its proper divisors (32868199706300).

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

21323000222020 is a wasteful number, since it uses less digits than its factorization.

21323000222020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48001193 (or 48001191 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 21323000222020 its reverse (2022200032312), we get a palindrome (23345200254332).

The spelling of 21323000222020 in words is "twenty-one trillion, three hundred twenty-three billion, two hundred twenty-two thousand, twenty".