20331020313233 has 16 divisors (see below), whose sum is σ = 24047606562816. Its totient is φ = 16820408261520.

The previous prime is 20331020313187. The next prime is 20331020313277. The reversal of 20331020313233 is 33231302013302.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 20331020313233 - 2¹² = 20331020309137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20331020313283) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 122229341 + ... + 122395562.

It is an arithmetic number, because the mean of its divisors is an integer number (1502975410176).

Almost surely, 2^{20331020313233} is an apocalyptic number.

It is an amenable number.

20331020313233 is a deficient number, since it is larger than the sum of its proper divisors (3716586249583).

20331020313233 is a wasteful number, since it uses less digits than its factorization.

20331020313233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244625324.

The product of its (nonzero) digits is 5832, while the sum is 26.

Adding to 20331020313233 its reverse (33231302013302), we get a palindrome (53562322326535).

The spelling of 20331020313233 in words is "twenty trillion, three hundred thirty-one billion, twenty million, three hundred thirteen thousand, two hundred thirty-three".