20130420223024 has 40 divisors (see below), whose sum is σ = 39514542469920. Its totient is φ = 9933697026048.

The previous prime is 20130420223013. The next prime is 20130420223049. The reversal of 20130420223024 is 42032202403102.

It is a self number, because there is not a number n which added to its sum of digits gives 20130420223024.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17507779 + ... + 18622114.

It is an arithmetic number, because the mean of its divisors is an integer number (987863561748).

Almost surely, 2^{20130420223024} is an apocalyptic number.

It is an amenable number.

20130420223024 is a deficient number, since it is larger than the sum of its proper divisors (19384122246896).

20130420223024 is a wasteful number, since it uses less digits than its factorization.

20130420223024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36130357 (or 36130351 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 20130420223024 its reverse (42032202403102), we get a palindrome (62162622626126).

The spelling of 20130420223024 in words is "twenty trillion, one hundred thirty billion, four hundred twenty million, two hundred twenty-three thousand, twenty-four".