20133320123 has 16 divisors (see below), whose sum is σ = 23190036480. Its totient is φ = 17122207200.

The previous prime is 20133320071. The next prime is 20133320143. The reversal of 20133320123 is 32102333102.

It is not a de Polignac number, because 20133320123 - 2⁶ = 20133320059 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20133320095 and 20133320104.

It is not an unprimeable number, because it can be changed into a prime (20133320143) 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, 500738 + ... + 539448.

It is an arithmetic number, because the mean of its divisors is an integer number (1449377280).

Almost surely, 2^20133320123 is an apocalyptic number.

20133320123 is a deficient number, since it is larger than the sum of its proper divisors (3056716357).

20133320123 is a wasteful number, since it uses less digits than its factorization.

20133320123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39298.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 20133320123 its reverse (32102333102), we get a palindrome (52235653225).

The spelling of 20133320123 in words is "twenty billion, one hundred thirty-three million, three hundred twenty thousand, one hundred twenty-three".