242020557020 has 48 divisors (see below), whose sum is σ = 554480640000. Its totient is φ = 88002150720.

The previous prime is 242020557019. The next prime is 242020557059. The reversal of 242020557020 is 20755020242.

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 15 ways as a sum of consecutive naturals, for example, 6704981 + ... + 6740979.

It is an arithmetic number, because the mean of its divisors is an integer number (11551680000).

Almost surely, 2^242020557020 is an apocalyptic number.

242020557020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

242020557020 is an abundant number, since it is smaller than the sum of its proper divisors (312460082980).

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

242020557020 is a wasteful number, since it uses less digits than its factorization.

242020557020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66578 (or 66576 counting only the distinct ones).

The product of its (nonzero) digits is 11200, while the sum is 29.

Adding to 242020557020 its reverse (20755020242), we get a palindrome (262775577262).

The spelling of 242020557020 in words is "two hundred forty-two billion, twenty million, five hundred fifty-seven thousand, twenty".