20332221211320 has 32 divisors (see below), whose sum is σ = 60996663634320. Its totient is φ = 5421925656320.

The previous prime is 20332221211319. The next prime is 20332221211331. The reversal of 20332221211320 is 2311212223302.

It is a super-2 number, since 2×20332221211320² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

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, 84717588261 + ... + 84717588500.

Almost surely, 2^{20332221211320} is an apocalyptic number.

20332221211320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20332221211320 is an abundant number, since it is smaller than the sum of its proper divisors (40664442423000).

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

20332221211320 is a wasteful number, since it uses less digits than its factorization.

20332221211320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169435176775 (or 169435176771 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 20332221211320 its reverse (2311212223302), we get a palindrome (22643433434622).

The spelling of 20332221211320 in words is "twenty trillion, three hundred thirty-two billion, two hundred twenty-one million, two hundred eleven thousand, three hundred twenty".