242743020 has 96 divisors (see below), whose sum is σ = 755650560. Its totient is φ = 57818880.

The previous prime is 242743013. The next prime is 242743037. The reversal of 242743020 is 20347242.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19161 + ... + 29199.

It is an arithmetic number, because the mean of its divisors is an integer number (7871360).

Almost surely, 2^242743020 is an apocalyptic number.

242743020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 242743020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (377825280).

242743020 is an abundant number, since it is smaller than the sum of its proper divisors (512907540).

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

242743020 is a wasteful number, since it uses less digits than its factorization.

242743020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10095 (or 10093 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 24.

The square root of 242743020 is about 15580.2124504129. The cubic root of 242743020 is about 623.8050940421.

The spelling of 242743020 in words is "two hundred forty-two million, seven hundred forty-three thousand, twenty".