4020424202242 has 32 divisors (see below), whose sum is σ = 6980224204800. Its totient is φ = 1701026999568.

The previous prime is 4020424202239. The next prime is 4020424202339. The reversal of 4020424202242 is 2422024240204.

It is a self number, because there is not a number n which added to its sum of digits gives 4020424202242.

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, 9326259 + ... + 9747817.

It is an arithmetic number, because the mean of its divisors is an integer number (218132006400).

Almost surely, 2^{4020424202242} is an apocalyptic number.

4020424202242 is a deficient number, since it is larger than the sum of its proper divisors (2959800002558).

4020424202242 is a wasteful number, since it uses less digits than its factorization.

4020424202242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 430270.

The product of its (nonzero) digits is 16384, while the sum is 28.

Adding to 4020424202242 its reverse (2422024240204), we get a palindrome (6442448442446).

The spelling of 4020424202242 in words is "four trillion, twenty billion, four hundred twenty-four million, two hundred two thousand, two hundred forty-two".