242203422420 has 36 divisors (see below), whose sum is σ = 734683715220. Its totient is φ = 64587579264.

The previous prime is 242203422407. The next prime is 242203422473. The reversal of 242203422420 is 24224302242.

It can be written as a sum of positive squares in 2 ways, for example, as 140521519044 + 101681903376 = 374862^2 + 318876^2 .

It is a tau number, because it is divible by the number of its divisors (36).

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, 672787105 + ... + 672787464.

Almost surely, 2^242203422420 is an apocalyptic number.

242203422420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

242203422420 is an abundant number, since it is smaller than the sum of its proper divisors (492480292800).

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

242203422420 is a wasteful number, since it uses less digits than its factorization.

242203422420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1345574584 (or 1345574579 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 27.

Adding to 242203422420 its reverse (24224302242), we get a palindrome (266427724662).

The spelling of 242203422420 in words is "two hundred forty-two billion, two hundred three million, four hundred twenty-two thousand, four hundred twenty".