20032222331 has 8 divisors (see below), whose sum is σ = 22179503424. Its totient is φ = 17939302920.

The previous prime is 20032222321. The next prime is 20032222333. The reversal of 20032222331 is 13322223002.

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

It is a de Polignac number, because none of the positive numbers 2^k-20032222331 is a prime.

It is a super-2 number, since 2×20032222331² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20032222333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13589645 + ... + 13591118.

It is an arithmetic number, because the mean of its divisors is an integer number (2772437928).

Almost surely, 2^20032222331 is an apocalyptic number.

20032222331 is a deficient number, since it is larger than the sum of its proper divisors (2147281093).

20032222331 is a wasteful number, since it uses less digits than its factorization.

20032222331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27180841.

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 20032222331 its reverse (13322223002), we get a palindrome (33354445333).

The spelling of 20032222331 in words is "twenty billion, thirty-two million, two hundred twenty-two thousand, three hundred thirty-one".