20333013123 has 8 divisors (see below), whose sum is σ = 27111461200. Its totient is φ = 13554953568.

The previous prime is 20333013079. The next prime is 20333013143. The reversal of 20333013123 is 32131033302.

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

It is not a de Polignac number, because 20333013123 - 2⁸ = 20333012867 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20333013123.

It is not an unprimeable number, because it can be changed into a prime (20333013143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62433 + ... + 211101.

It is an arithmetic number, because the mean of its divisors is an integer number (3388932650).

Almost surely, 2^20333013123 is an apocalyptic number.

20333013123 is a deficient number, since it is larger than the sum of its proper divisors (6778448077).

20333013123 is a wasteful number, since it uses less digits than its factorization.

20333013123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194261.

The product of its (nonzero) digits is 972, while the sum is 21.

Adding to 20333013123 its reverse (32131033302), we get a palindrome (52464046425).

The spelling of 20333013123 in words is "twenty billion, three hundred thirty-three million, thirteen thousand, one hundred twenty-three".