20031341242432 has 112 divisors (see below), whose sum is σ = 43130095868160. Its totient is φ = 9175690948608.

The previous prime is 20031341242387. The next prime is 20031341242457. The reversal of 20031341242432 is 23424214313002.

It is a junction number, because it is equal to n+sod(n) for n = 20031341242394 and 20031341242403.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 97405188 + ... + 97610620.

It is an arithmetic number, because the mean of its divisors is an integer number (385090141680).

Almost surely, 2^{20031341242432} 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 20031341242432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21565047934080).

20031341242432 is an abundant number, since it is smaller than the sum of its proper divisors (23098754625728).

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

20031341242432 is a wasteful number, since it uses less digits than its factorization.

20031341242432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206340 (or 206330 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 31.

Adding to 20031341242432 its reverse (23424214313002), we get a palindrome (43455555555434).

The spelling of 20031341242432 in words is "twenty trillion, thirty-one billion, three hundred forty-one million, two hundred forty-two thousand, four hundred thirty-two".