20333313233405 has 4 divisors (see below), whose sum is σ = 24399975880092. Its totient is φ = 16266650586720.

The previous prime is 20333313233381. The next prime is 20333313233479. The reversal of 20333313233405 is 50433231333302.

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 8161957603396 + 12171355630009 = 2856914^2 + 3488747^2 .

It is not a de Polignac number, because 20333313233405 - 2¹² = 20333313229309 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2033331323336 + ... + 2033331323345.

It is an arithmetic number, because the mean of its divisors is an integer number (6099993970023).

Almost surely, 2^{20333313233405} is an apocalyptic number.

It is an amenable number.

20333313233405 is a deficient number, since it is larger than the sum of its proper divisors (4066662646687).

20333313233405 is an equidigital number, since it uses as much as digits as its factorization.

20333313233405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4066662646686.

The product of its (nonzero) digits is 174960, while the sum is 35.

Adding to 20333313233405 its reverse (50433231333302), we get a palindrome (70766544566707).

The spelling of 20333313233405 in words is "twenty trillion, three hundred thirty-three billion, three hundred thirteen million, two hundred thirty-three thousand, four hundred five".