20413223031404 has 144 divisors (see below), whose sum is σ = 43452489056256. Its totient is φ = 8350760880000.

The previous prime is 20413223031401. The next prime is 20413223031451. The reversal of 20413223031404 is 40413032231402.

It is a super-2 number, since 2×20413223031404² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20413223031401) 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 47 ways as a sum of consecutive naturals, for example, 5515594754 + ... + 5515598454.

It is an arithmetic number, because the mean of its divisors is an integer number (301753396224).

Almost surely, 2^{20413223031404} 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 20413223031404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21726244528128).

20413223031404 is an abundant number, since it is smaller than the sum of its proper divisors (23039266024852).

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

20413223031404 is a wasteful number, since it uses less digits than its factorization.

20413223031404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5956 (or 5947 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 20413223031404 its reverse (40413032231402), we get a palindrome (60826255262806).

The spelling of 20413223031404 in words is "twenty trillion, four hundred thirteen billion, two hundred twenty-three million, thirty-one thousand, four hundred four".