542242160020 has 24 divisors (see below), whose sum is σ = 1242227494368. Its totient is φ = 197178967200.

The previous prime is 542242159973. The next prime is 542242160021. The reversal of 542242160020 is 20061242245.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542242160021) 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 7 ways as a sum of consecutive naturals, for example, 1232368326 + ... + 1232368765.

It is an arithmetic number, because the mean of its divisors is an integer number (51759478932).

Almost surely, 2^542242160020 is an apocalyptic number.

It is an amenable number.

542242160020 is an abundant number, since it is smaller than the sum of its proper divisors (699985334348).

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

542242160020 is a wasteful number, since it uses less digits than its factorization.

542242160020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2464737111 (or 2464737109 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 28.

The spelling of 542242160020 in words is "five hundred forty-two billion, two hundred forty-two million, one hundred sixty thousand, twenty".