20130113222 has 16 divisors (see below), whose sum is σ = 31516329312. Its totient is φ = 9624901440.

The previous prime is 20130113203. The next prime is 20130113231. The reversal of 20130113222 is 22231103102.

It is a self number, because there is not a number n which added to its sum of digits gives 20130113222.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 124322 + ... + 236042.

It is an arithmetic number, because the mean of its divisors is an integer number (1969770582).

Almost surely, 2^20130113222 is an apocalyptic number.

20130113222 is a deficient number, since it is larger than the sum of its proper divisors (11386216090).

20130113222 is a wasteful number, since it uses less digits than its factorization.

20130113222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115663.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 20130113222 its reverse (22231103102), we get a palindrome (42361216324).

The spelling of 20130113222 in words is "twenty billion, one hundred thirty million, one hundred thirteen thousand, two hundred twenty-two".