21033222302220 has 96 divisors (see below), whose sum is σ = 59301632119296. Its totient is φ = 5570060428800.

The previous prime is 21033222302083. The next prime is 21033222302233. The reversal of 21033222302220 is 2220322233012.

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, 3967905 + ... + 7603335.

It is an arithmetic number, because the mean of its divisors is an integer number (617725334576).

Almost surely, 2^{21033222302220} is an apocalyptic number.

21033222302220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21033222302220 is an abundant number, since it is smaller than the sum of its proper divisors (38268409817076).

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

21033222302220 is a wasteful number, since it uses less digits than its factorization.

21033222302220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3636111 (or 3636109 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 21033222302220 its reverse (2220322233012), we get a palindrome (23253544535232).

The spelling of 21033222302220 in words is "twenty-one trillion, thirty-three billion, two hundred twenty-two million, three hundred two thousand, two hundred twenty".