20332011123 has 10 divisors (see below), whose sum is σ = 30372510564. Its totient is φ = 13554674028.

The previous prime is 20332011097. The next prime is 20332011127. The reversal of 20332011123 is 32111023302.

It is not a de Polignac number, because 20332011123 - 2¹⁸ = 20331748979 is a prime.

It is a super-2 number, since 2×20332011123² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20332011096 and 20332011105.

It is not an unprimeable number, because it can be changed into a prime (20332011127) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 125506161 + ... + 125506322.

Almost surely, 2^20332011123 is an apocalyptic number.

20332011123 is a deficient number, since it is larger than the sum of its proper divisors (10040499441).

20332011123 is an equidigital number, since it uses as much as digits as its factorization.

20332011123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251012495 (or 251012486 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 20332011123 its reverse (32111023302), we get a palindrome (52443034425).

The spelling of 20332011123 in words is "twenty billion, three hundred thirty-two million, eleven thousand, one hundred twenty-three".