20330133123 has 8 divisors (see below), whose sum is σ = 27108778000. Its totient is φ = 13552455168.

The previous prime is 20330133121. The next prime is 20330133137. The reversal of 20330133123 is 32133103302.

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

It is not a de Polignac number, because 20330133123 - 2¹ = 20330133121 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 20330133123.

It is not an unprimeable number, because it can be changed into a prime (20330133121) 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, 191158 + ... + 277851.

It is an arithmetic number, because the mean of its divisors is an integer number (3388597250).

Almost surely, 2^20330133123 is an apocalyptic number.

20330133123 is a deficient number, since it is larger than the sum of its proper divisors (6778644877).

20330133123 is a wasteful number, since it uses less digits than its factorization.

20330133123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 483461.

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

Adding to 20330133123 its reverse (32133103302), we get a palindrome (52463236425).

The spelling of 20330133123 in words is "twenty billion, three hundred thirty million, one hundred thirty-three thousand, one hundred twenty-three".