20331313033 has 8 divisors (see below), whose sum is σ = 21569899520. Its totient is φ = 19109578320.

The previous prime is 20331313031. The next prime is 20331313049. The reversal of 20331313033 is 33031313302.

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

It is not a de Polignac number, because 20331313033 - 2¹ = 20331313031 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20331312995 and 20331313013.

It is not an unprimeable number, because it can be changed into a prime (20331313031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4210458 + ... + 4215283.

It is an arithmetic number, because the mean of its divisors is an integer number (2696237440).

Almost surely, 2^20331313033 is an apocalyptic number.

It is an amenable number.

20331313033 is a deficient number, since it is larger than the sum of its proper divisors (1238586487).

20331313033 is a wasteful number, since it uses less digits than its factorization.

20331313033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8425887.

The product of its (nonzero) digits is 1458, while the sum is 22.

Adding to 20331313033 its reverse (33031313302), we get a palindrome (53362626335).

The spelling of 20331313033 in words is "twenty billion, three hundred thirty-one million, three hundred thirteen thousand, thirty-three".