20040113331344 has 40 divisors (see below), whose sum is σ = 41146279828920. Its totient is φ = 9438573132800.

The previous prime is 20040113331331. The next prime is 20040113331361. The reversal of 20040113331344 is 44313331104002.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2928753049600 + 17111360281744 = 1711360^2 + 4136588^2 .

It is a super-2 number, since 2×20040113331344² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 526687067 + ... + 526725114.

It is an arithmetic number, because the mean of its divisors is an integer number (1028656995723).

Almost surely, 2^{20040113331344} is an apocalyptic number.

It is an amenable number.

20040113331344 is an abundant number, since it is smaller than the sum of its proper divisors (21106166497576).

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

20040113331344 is a wasteful number, since it uses less digits than its factorization.

20040113331344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1053412259 (or 1053412253 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 29.

Adding to 20040113331344 its reverse (44313331104002), we get a palindrome (64353444435346).

The spelling of 20040113331344 in words is "twenty trillion, forty billion, one hundred thirteen million, three hundred thirty-one thousand, three hundred forty-four".