20010123230020 has 48 divisors (see below), whose sum is σ = 52390140824448. Its totient is φ = 6236921525760.

The previous prime is 20010123230017. The next prime is 20010123230057. The reversal of 20010123230020 is 2003232101002.

It is a junction number, because it is equal to n+sod(n) for n = 20010123229976 and 20010123230003.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6496791717 + ... + 6496794796.

It is an arithmetic number, because the mean of its divisors is an integer number (1091461267176).

Almost surely, 2^{20010123230020} is an apocalyptic number.

20010123230020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20010123230020 is an abundant number, since it is smaller than the sum of its proper divisors (32380017594428).

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

20010123230020 is a wasteful number, since it uses less digits than its factorization.

20010123230020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12993586540 (or 12993586538 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 20010123230020 its reverse (2003232101002), we get a palindrome (22013355331022).

The spelling of 20010123230020 in words is "twenty trillion, ten billion, one hundred twenty-three million, two hundred thirty thousand, twenty".