242150220 has 72 divisors (see below), whose sum is σ = 791031696. Its totient is φ = 59605632.

The previous prime is 242150213. The next prime is 242150239. The reversal of 242150220 is 22051242.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 242150193 and 242150202.

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 23 ways as a sum of consecutive naturals, for example, 49402 + ... + 54081.

Almost surely, 2^242150220 is an apocalyptic number.

242150220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

242150220 is an abundant number, since it is smaller than the sum of its proper divisors (548881476).

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

242150220 is a wasteful number, since it uses less digits than its factorization.

242150220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103511 (or 103506 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 242150220 is about 15561.1766907262. The cubic root of 242150220 is about 623.2968843173.

The spelling of 242150220 in words is "two hundred forty-two million, one hundred fifty thousand, two hundred twenty".