20130101220324 has 48 divisors (see below), whose sum is σ = 51592021447680. Its totient is φ = 6080488238880.

The previous prime is 20130101220253. The next prime is 20130101220331. The reversal of 20130101220324 is 42302210103102.

It is a self number, because there is not a number n which added to its sum of digits gives 20130101220324.

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, 1919340792 + ... + 1919351279.

It is an arithmetic number, because the mean of its divisors is an integer number (1074833780160).

Almost surely, 2^{20130101220324} is an apocalyptic number.

It is an amenable number.

20130101220324 is an abundant number, since it is smaller than the sum of its proper divisors (31461920227356).

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

20130101220324 is a wasteful number, since it uses less digits than its factorization.

20130101220324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3838692120 (or 3838692118 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 20130101220324 its reverse (42302210103102), we get a palindrome (62432311323426).

The spelling of 20130101220324 in words is "twenty trillion, one hundred thirty billion, one hundred one million, two hundred twenty thousand, three hundred twenty-four".