542131104020 has 96 divisors (see below), whose sum is σ = 1263453811200. Its totient is φ = 193731228800.

The previous prime is 542131104001. The next prime is 542131104083. The reversal of 542131104020 is 20401131245.

It is a super-2 number, since 2×542131104020² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 53719175 + ... + 53729265.

It is an arithmetic number, because the mean of its divisors is an integer number (13160977200).

Almost surely, 2^542131104020 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 542131104020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (631726905600).

542131104020 is an abundant number, since it is smaller than the sum of its proper divisors (721322707180).

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

542131104020 is a wasteful number, since it uses less digits than its factorization.

542131104020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14309 (or 14307 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

Adding to 542131104020 its reverse (20401131245), we get a palindrome (562532235265).

The spelling of 542131104020 in words is "five hundred forty-two billion, one hundred thirty-one million, one hundred four thousand, twenty".