20312133332222 has 16 divisors (see below), whose sum is σ = 30518378612352. Its totient is φ = 10139341322880.

The previous prime is 20312133332219. The next prime is 20312133332291. The reversal of 20312133332222 is 22223333121302.

It is a super-3 number, since 3×20312133332222³ (a number of 41 digits) contains 333 as substring.

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, 52205522 + ... + 52593162.

It is an arithmetic number, because the mean of its divisors is an integer number (1907398663272).

Almost surely, 2^{20312133332222} is an apocalyptic number.

20312133332222 is a deficient number, since it is larger than the sum of its proper divisors (10206245280130).

20312133332222 is a wasteful number, since it uses less digits than its factorization.

20312133332222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 430723.

The product of its (nonzero) digits is 15552, while the sum is 29.

Adding to 20312133332222 its reverse (22223333121302), we get a palindrome (42535466453524).

The spelling of 20312133332222 in words is "twenty trillion, three hundred twelve billion, one hundred thirty-three million, three hundred thirty-two thousand, two hundred twenty-two".