20331233010133 has 4 divisors (see below), whose sum is σ = 21527187893100. Its totient is φ = 19135278127168.

The previous prime is 20331233010103. The next prime is 20331233010157. The reversal of 20331233010133 is 33101033213302.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 17196555678129 + 3134677332004 = 4146873^2 + 1770502^2 .

It is a cyclic number.

It is not a de Polignac number, because 20331233010133 - 2⁹ = 20331233009621 is a prime.

It is a super-3 number, since 3×20331233010133³ (a number of 41 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20331233010098 and 20331233010107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20331233010103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 597977441458 + ... + 597977441491.

It is an arithmetic number, because the mean of its divisors is an integer number (5381796973275).

Almost surely, 2^{20331233010133} is an apocalyptic number.

It is an amenable number.

20331233010133 is a deficient number, since it is larger than the sum of its proper divisors (1195954882967).

20331233010133 is a wasteful number, since it uses less digits than its factorization.

20331233010133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1195954882966.

The product of its (nonzero) digits is 2916, while the sum is 25.

Adding to 20331233010133 its reverse (33101033213302), we get a palindrome (53432266223435).

The spelling of 20331233010133 in words is "twenty trillion, three hundred thirty-one billion, two hundred thirty-three million, ten thousand, one hundred thirty-three".