23420020310020 has 96 divisors (see below), whose sum is σ = 50110595619840. Its totient is φ = 9191756461440.

The previous prime is 23420020310009. The next prime is 23420020310059. The reversal of 23420020310020 is 2001302002432.

It is a self number, because there is not a number n which added to its sum of digits gives 23420020310020.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2318120289 + ... + 2318130391.

It is an arithmetic number, because the mean of its divisors is an integer number (521985371040).

Almost surely, 2^{23420020310020} is an apocalyptic number.

23420020310020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23420020310020 is an abundant number, since it is smaller than the sum of its proper divisors (26690575309820).

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

23420020310020 is a wasteful number, since it uses less digits than its factorization.

23420020310020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13705 (or 13703 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 23420020310020 its reverse (2001302002432), we get a palindrome (25421322312452).

The spelling of 23420020310020 in words is "twenty-three trillion, four hundred twenty billion, twenty million, three hundred ten thousand, twenty".