20411130041240 has 64 divisors (see below), whose sum is σ = 46379388706560. Its totient is φ = 8083708341120.

The previous prime is 20411130041191. The next prime is 20411130041243. The reversal of 20411130041240 is 4214003111402.

It is a super-2 number, since 2×20411130041240² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20411130041243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22239035 + ... + 23138645.

It is an arithmetic number, because the mean of its divisors is an integer number (724677948540).

Almost surely, 2^{20411130041240} is an apocalyptic number.

20411130041240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20411130041240 is an abundant number, since it is smaller than the sum of its proper divisors (25968258665320).

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

20411130041240 is a wasteful number, since it uses less digits than its factorization.

20411130041240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 905232 (or 905228 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 20411130041240 its reverse (4214003111402), we get a palindrome (24625133152642).

The spelling of 20411130041240 in words is "twenty trillion, four hundred eleven billion, one hundred thirty million, forty-one thousand, two hundred forty".