242159528220 has 48 divisors (see below), whose sum is σ = 707526973440. Its totient is φ = 61768227136.

The previous prime is 242159528209. The next prime is 242159528231. The reversal of 242159528220 is 22825951242.

It is an interprime number because it is at equal distance from previous prime (242159528209) and next prime (242159528231).

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, 87737580 + ... + 87740339.

It is an arithmetic number, because the mean of its divisors is an integer number (14740145280).

Almost surely, 2^242159528220 is an apocalyptic number.

242159528220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

242159528220 is an abundant number, since it is smaller than the sum of its proper divisors (465367445220).

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

242159528220 is a wasteful number, since it uses less digits than its factorization.

242159528220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175477954 (or 175477952 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 42.

The spelling of 242159528220 in words is "two hundred forty-two billion, one hundred fifty-nine million, five hundred twenty-eight thousand, two hundred twenty".