20131412004 has 96 divisors (see below), whose sum is σ = 56969270400. Its totient is φ = 6097006080.

The previous prime is 20131412003. The next prime is 20131412017. The reversal of 20131412004 is 40021413102.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (20131412003) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 2820312 + ... + 2827440.

It is an arithmetic number, because the mean of its divisors is an integer number (593429900).

Almost surely, 2^20131412004 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20131412004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28484635200).

20131412004 is an abundant number, since it is smaller than the sum of its proper divisors (36837858396).

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

20131412004 is a wasteful number, since it uses less digits than its factorization.

20131412004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9530 (or 9522 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 20131412004 its reverse (40021413102), we get a palindrome (60152825106).

The spelling of 20131412004 in words is "twenty billion, one hundred thirty-one million, four hundred twelve thousand, four".