242887352220 has 48 divisors (see below), whose sum is σ = 755649541920. Its totient is φ = 64769960448.

The previous prime is 242887352189. The next prime is 242887352317. The reversal of 242887352220 is 22253788242.

242887352220 is a `hidden beast` number, since 2 + 4 + 28 + 87 + 3 + 522 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 224895157 + ... + 224896236.

It is an arithmetic number, because the mean of its divisors is an integer number (15742698790).

Almost surely, 2^242887352220 is an apocalyptic number.

242887352220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

242887352220 is an abundant number, since it is smaller than the sum of its proper divisors (512762189700).

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

242887352220 is a wasteful number, since it uses less digits than its factorization.

242887352220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 449791411 (or 449791403 counting only the distinct ones).

The product of its (nonzero) digits is 860160, while the sum is 45.

The spelling of 242887352220 in words is "two hundred forty-two billion, eight hundred eighty-seven million, three hundred fifty-two thousand, two hundred twenty".