21022233303320 has 16 divisors (see below), whose sum is σ = 47300024932560. Its totient is φ = 8408893321312.

The previous prime is 21022233303319. The next prime is 21022233303341. The reversal of 21022233303320 is 2330333222012.

It is a self number, because there is not a number n which added to its sum of digits gives 21022233303320.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 262777916252 + ... + 262777916331.

It is an arithmetic number, because the mean of its divisors is an integer number (2956251558285).

Almost surely, 2^{21022233303320} is an apocalyptic number.

21022233303320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21022233303320 is an abundant number, since it is smaller than the sum of its proper divisors (26277791629240).

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

21022233303320 is a wasteful number, since it uses less digits than its factorization.

21022233303320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 525555832594 (or 525555832590 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 26.

Adding to 21022233303320 its reverse (2330333222012), we get a palindrome (23352566525332).

The spelling of 21022233303320 in words is "twenty-one trillion, twenty-two billion, two hundred thirty-three million, three hundred three thousand, three hundred twenty".