20423233120 has 48 divisors (see below), whose sum is σ = 48269208960. Its totient is φ = 8166022144.

The previous prime is 20423233109. The next prime is 20423233123. The reversal of 20423233120 is 2133232402.

It is a junction number, because it is equal to n+sod(n) for n = 20423233091 and 20423233100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20423233123) 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, 397041 + ... + 445519.

It is an arithmetic number, because the mean of its divisors is an integer number (1005608520).

Almost surely, 2^20423233120 is an apocalyptic number.

20423233120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20423233120 is an abundant number, since it is smaller than the sum of its proper divisors (27845975840).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20423233120 is a wasteful number, since it uses less digits than its factorization.

20423233120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51127 (or 51119 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 20423233120 its reverse (2133232402), we get a palindrome (22556465522).

The spelling of 20423233120 in words is "twenty billion, four hundred twenty-three million, two hundred thirty-three thousand, one hundred twenty".