20412231334340 has 48 divisors (see below), whose sum is σ = 43295470493184. Its totient is φ = 8083048848000.

The previous prime is 20412231334337. The next prime is 20412231334351. The reversal of 20412231334340 is 4343313221402.

It is a super-3 number, since 3×20412231334340³ (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 20412231334297 and 20412231334306.

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, 15761297 + ... + 17007143.

It is an arithmetic number, because the mean of its divisors is an integer number (901988968608).

Almost surely, 2^{20412231334340} is an apocalyptic number.

20412231334340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20412231334340 is an abundant number, since it is smaller than the sum of its proper divisors (22883239158844).

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

20412231334340 is a wasteful number, since it uses less digits than its factorization.

20412231334340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1254068 (or 1254066 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 32.

Adding to 20412231334340 its reverse (4343313221402), we get a palindrome (24755544555742).

The spelling of 20412231334340 in words is "twenty trillion, four hundred twelve billion, two hundred thirty-one million, three hundred thirty-four thousand, three hundred forty".