20122220321331 has 8 divisors (see below), whose sum is σ = 27106221189264. Its totient is φ = 13276516500480.

The previous prime is 20122220321309. The next prime is 20122220321369. The reversal of 20122220321331 is 13312302222102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20122220321331 - 2⁹ = 20122220320819 is a prime.

It is a super-2 number, since 2×20122220321331² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20122220322331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34574261430 + ... + 34574262011.

It is an arithmetic number, because the mean of its divisors is an integer number (3388277648658).

Almost surely, 2^{20122220321331} is an apocalyptic number.

20122220321331 is a deficient number, since it is larger than the sum of its proper divisors (6984000867933).

20122220321331 is an equidigital number, since it uses as much as digits as its factorization.

20122220321331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69148523541.

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

Adding to 20122220321331 its reverse (13312302222102), we get a palindrome (33434522543433).

The spelling of 20122220321331 in words is "twenty trillion, one hundred twenty-two billion, two hundred twenty million, three hundred twenty-one thousand, three hundred thirty-one".