20131024321004 has 24 divisors (see below), whose sum is σ = 35886115093920. Its totient is φ = 9879578198784.

The previous prime is 20131024321003. The next prime is 20131024321019. The reversal of 20131024321004 is 40012342013102.

It is not an unprimeable number, because it can be changed into a prime (20131024321003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 216155699 + ... + 216248810.

It is an arithmetic number, because the mean of its divisors is an integer number (1495254795580).

Almost surely, 2^{20131024321004} is an apocalyptic number.

It is an amenable number.

20131024321004 is a deficient number, since it is larger than the sum of its proper divisors (15755090772916).

20131024321004 is a wasteful number, since it uses less digits than its factorization.

20131024321004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 432404729 (or 432404727 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 20131024321004 its reverse (40012342013102), we get a palindrome (60143366334106).

The spelling of 20131024321004 in words is "twenty trillion, one hundred thirty-one billion, twenty-four million, three hundred twenty-one thousand, four".