20033131221123 has 8 divisors (see below), whose sum is σ = 26723340860688. Its totient is φ = 13349171197824.

The previous prime is 20033131221083. The next prime is 20033131221137. The reversal of 20033131221123 is 32112213133002.

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

It is not a de Polignac number, because 20033131221123 - 2⁹ = 20033131220611 is a prime.

It is a super-2 number, since 2×20033131221123² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20033131221093 and 20033131221102.

It is not an unprimeable number, because it can be changed into a prime (20033131221143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1562396586 + ... + 1562409407.

It is an arithmetic number, because the mean of its divisors is an integer number (3340417607586).

Almost surely, 2^{20033131221123} is an apocalyptic number.

20033131221123 is a deficient number, since it is larger than the sum of its proper divisors (6690209639565).

20033131221123 is a wasteful number, since it uses less digits than its factorization.

20033131221123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3124808133.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 20033131221123 its reverse (32112213133002), we get a palindrome (52145344354125).

The spelling of 20033131221123 in words is "twenty trillion, thirty-three billion, one hundred thirty-one million, two hundred twenty-one thousand, one hundred twenty-three".