20233123020 has 72 divisors (see below), whose sum is σ = 66953250000. Its totient is φ = 4904999040.

The previous prime is 20233123003. The next prime is 20233123081. The reversal of 20233123020 is 2032133202.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 20233122984 and 20233123002.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5107395 + ... + 5111354.

It is an arithmetic number, because the mean of its divisors is an integer number (929906250).

Almost surely, 2^20233123020 is an apocalyptic number.

20233123020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20233123020 is an abundant number, since it is smaller than the sum of its proper divisors (46720126980).

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

20233123020 is a wasteful number, since it uses less digits than its factorization.

20233123020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10218775 (or 10218770 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 20233123020 its reverse (2032133202), we get a palindrome (22265256222).

The spelling of 20233123020 in words is "twenty billion, two hundred thirty-three million, one hundred twenty-three thousand, twenty".