242021880 has 48 divisors (see below), whose sum is σ = 786572280. Its totient is φ = 64539072.

The previous prime is 242021873. The next prime is 242021891. The reversal of 242021880 is 88120242.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 335782 + ... + 336501.

Almost surely, 2^242021880 is an apocalyptic number.

242021880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

242021880 is an abundant number, since it is smaller than the sum of its proper divisors (544550400).

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

242021880 is a wasteful number, since it uses less digits than its factorization.

242021880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 672300 (or 672293 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 27.

The square root of 242021880 is about 15557.0524200441. The cubic root of 242021880 is about 623.1867487459.

The spelling of 242021880 in words is "two hundred forty-two million, twenty-one thousand, eight hundred eighty".