21300020103320 has 128 divisors (see below), whose sum is σ = 54866220480000. Its totient is φ = 7290242445312.

The previous prime is 21300020103287. The next prime is 21300020103403. The reversal of 21300020103320 is 2330102000312.

It is a super-2 number, since 2×21300020103320² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

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, 410703551 + ... + 410755409.

It is an arithmetic number, because the mean of its divisors is an integer number (428642347500).

Almost surely, 2^{21300020103320} is an apocalyptic number.

21300020103320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21300020103320 is an abundant number, since it is smaller than the sum of its proper divisors (33566200376680).

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

21300020103320 is a wasteful number, since it uses less digits than its factorization.

21300020103320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54385 (or 54381 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 21300020103320 its reverse (2330102000312), we get a palindrome (23630122103632).

The spelling of 21300020103320 in words is "twenty-one trillion, three hundred billion, twenty million, one hundred three thousand, three hundred twenty".