242155034511220 has 48 divisors (see below), whose sum is σ = 536251100232960. Its totient is φ = 91599266116224.

The previous prime is 242155034511167. The next prime is 242155034511233. The reversal of 242155034511220 is 22115430551242.

It is a self number, because there is not a number n which added to its sum of digits gives 242155034511220.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 571826124 + ... + 572249443.

It is an arithmetic number, because the mean of its divisors is an integer number (11171897921520).

Almost surely, 2^{242155034511220} is an apocalyptic number.

242155034511220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

242155034511220 is an abundant number, since it is smaller than the sum of its proper divisors (294096065721740).

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

242155034511220 is a wasteful number, since it uses less digits than its factorization.

242155034511220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1144076152 (or 1144076150 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 37.

The spelling of 242155034511220 in words is "two hundred forty-two trillion, one hundred fifty-five billion, thirty-four million, five hundred eleven thousand, two hundred twenty".