42420122220230 has 64 divisors (see below), whose sum is σ = 79804376496000. Its totient is φ = 16204184156160.

The previous prime is 42420122220199. The next prime is 42420122220263. The reversal of 42420122220230 is 3202222102424.

It is a happy number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 42420122220230.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 485974190 + ... + 486061470.

It is an arithmetic number, because the mean of its divisors is an integer number (1246943382750).

Almost surely, 2^{42420122220230} is an apocalyptic number.

42420122220230 is a deficient number, since it is larger than the sum of its proper divisors (37384254275770).

42420122220230 is a wasteful number, since it uses less digits than its factorization.

42420122220230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90689.

The product of its (nonzero) digits is 6144, while the sum is 26.

Adding to 42420122220230 its reverse (3202222102424), we get a palindrome (45622344322654).

The spelling of 42420122220230 in words is "forty-two trillion, four hundred twenty billion, one hundred twenty-two million, two hundred twenty thousand, two hundred thirty".