21333112300220 has 72 divisors (see below), whose sum is σ = 52997029732080. Its totient is φ = 7190240252160.

The previous prime is 21333112300133. The next prime is 21333112300259. The reversal of 21333112300220 is 2200321133312.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 184420841 + ... + 184536480.

It is an arithmetic number, because the mean of its divisors is an integer number (736069857390).

Almost surely, 2^{21333112300220} is an apocalyptic number.

21333112300220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21333112300220 is an abundant number, since it is smaller than the sum of its proper divisors (31663917431860).

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

21333112300220 is a wasteful number, since it uses less digits than its factorization.

21333112300220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 368957403 (or 368957394 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 21333112300220 its reverse (2200321133312), we get a palindrome (23533433433532).

The spelling of 21333112300220 in words is "twenty-one trillion, three hundred thirty-three billion, one hundred twelve million, three hundred thousand, two hundred twenty".