420303113221442 has 16 divisors (see below), whose sum is σ = 687861459688032. Its totient is φ = 191021111601120.

The previous prime is 420303113221427. The next prime is 420303113221447. The reversal of 420303113221442 is 244122311303024.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 420303113221399 and 420303113221408.

It is not an unprimeable number, because it can be changed into a prime (420303113221447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1287735368 + ... + 1288061715.

It is an arithmetic number, because the mean of its divisors is an integer number (42991341230502).

Almost surely, 2^{420303113221442} is an apocalyptic number.

420303113221442 is a deficient number, since it is larger than the sum of its proper divisors (267558346466590).

420303113221442 is a wasteful number, since it uses less digits than its factorization.

420303113221442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2575804513.

The product of its (nonzero) digits is 27648, while the sum is 32.

Adding to 420303113221442 its reverse (244122311303024), we get a palindrome (664425424524466).

The spelling of 420303113221442 in words is "four hundred twenty trillion, three hundred three billion, one hundred thirteen million, two hundred twenty-one thousand, four hundred forty-two".