420220511322344 has 8 divisors (see below), whose sum is σ = 787913458729410. Its totient is φ = 210110255661168.

The previous prime is 420220511322301. The next prime is 420220511322407. The reversal of 420220511322344 is 443223115022024.

It can be written as a sum of positive squares in only one way, i.e., 413083267802500 + 7137243519844 = 20324450^2 + 2671562^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26263781957639 + ... + 26263781957654.

Almost surely, 2^{420220511322344} is an apocalyptic number.

It is an amenable number.

420220511322344 is a deficient number, since it is larger than the sum of its proper divisors (367692947407066).

420220511322344 is a wasteful number, since it uses less digits than its factorization.

420220511322344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52527563915299 (or 52527563915295 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 35.

Adding to 420220511322344 its reverse (443223115022024), we get a palindrome (863443626344368).

The spelling of 420220511322344 in words is "four hundred twenty trillion, two hundred twenty billion, five hundred eleven million, three hundred twenty-two thousand, three hundred forty-four".