21332001303020 has 48 divisors (see below), whose sum is σ = 47750670223200. Its totient is φ = 7976972596224.

The previous prime is 21332001303017. The next prime is 21332001303077. The reversal of 21332001303020 is 2030310023312.

It is a super-2 number, since 2×21332001303020² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 21332001302983 and 21332001303001.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 210490214 + ... + 210591533.

It is an arithmetic number, because the mean of its divisors is an integer number (994805629650).

Almost surely, 2^{21332001303020} is an apocalyptic number.

21332001303020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21332001303020 is an abundant number, since it is smaller than the sum of its proper divisors (26418668920180).

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

21332001303020 is a wasteful number, since it uses less digits than its factorization.

21332001303020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 421081922 (or 421081920 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 21332001303020 its reverse (2030310023312), we get a palindrome (23362311326332).

The spelling of 21332001303020 in words is "twenty-one trillion, three hundred thirty-two billion, one million, three hundred three thousand, twenty".