20133321322220 has 24 divisors (see below), whose sum is σ = 42286048905408. Its totient is φ = 8052171552000.

The previous prime is 20133321322187. The next prime is 20133321322249. The reversal of 20133321322220 is 2222312333102.

It is a self number, because there is not a number n which added to its sum of digits gives 20133321322220.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72168356 + ... + 72446795.

It is an arithmetic number, because the mean of its divisors is an integer number (1761918704392).

Almost surely, 2^{20133321322220} is an apocalyptic number.

20133321322220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20133321322220 is an abundant number, since it is smaller than the sum of its proper divisors (22152727583188).

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

20133321322220 is a wasteful number, since it uses less digits than its factorization.

20133321322220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144622121 (or 144622119 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 20133321322220 its reverse (2222312333102), we get a palindrome (22355633655322).

The spelling of 20133321322220 in words is "twenty trillion, one hundred thirty-three billion, three hundred twenty-one million, three hundred twenty-two thousand, two hundred twenty".