242980220 has 36 divisors (see below), whose sum is σ = 593568360. Its totient is φ = 83307168.

The previous prime is 242980219. The next prime is 242980223. The reversal of 242980220 is 22089242.

It is a super-2 number, since 2×242980220² = 118078774622496800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242980223) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 122990 + ... + 124949.

It is an arithmetic number, because the mean of its divisors is an integer number (16488010).

Almost surely, 2^242980220 is an apocalyptic number.

242980220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

242980220 is an abundant number, since it is smaller than the sum of its proper divisors (350588140).

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

242980220 is a wasteful number, since it uses less digits than its factorization.

242980220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247962 (or 247953 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 242980220 is about 15587.8228114128. The cubic root of 242980220 is about 624.0082147450.

The spelling of 242980220 in words is "two hundred forty-two million, nine hundred eighty thousand, two hundred twenty".