242202420243 has 16 divisors (see below), whose sum is σ = 410078172160. Its totient is φ = 138401382888.

The previous prime is 242202420241. The next prime is 242202420319. The reversal of 242202420243 is 342024202242.

It is not a de Polignac number, because 242202420243 - 2¹ = 242202420241 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (242202420241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 640746955 + ... + 640747332.

It is an arithmetic number, because the mean of its divisors is an integer number (25629885760).

Almost surely, 2^242202420243 is an apocalyptic number.

242202420243 is a deficient number, since it is larger than the sum of its proper divisors (167875751917).

242202420243 is a wasteful number, since it uses less digits than its factorization.

242202420243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1281494303 (or 1281494297 counting only the distinct ones).

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

Adding to 242202420243 its reverse (342024202242), we get a palindrome (584226622485).

The spelling of 242202420243 in words is "two hundred forty-two billion, two hundred two million, four hundred twenty thousand, two hundred forty-three".