420322555055 has 8 divisors (see below), whose sum is σ = 543186071232. Its totient is φ = 310392040608.

The previous prime is 420322555001. The next prime is 420322555067. The reversal of 420322555055 is 550555223024.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 420322555055 - 2⁶ = 420322554991 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3233250359 + ... + 3233250488.

It is an arithmetic number, because the mean of its divisors is an integer number (67898258904).

Almost surely, 2^420322555055 is an apocalyptic number.

420322555055 is a deficient number, since it is larger than the sum of its proper divisors (122863516177).

420322555055 is a wasteful number, since it uses less digits than its factorization.

420322555055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6466500865.

The product of its (nonzero) digits is 300000, while the sum is 38.

Adding to 420322555055 its reverse (550555223024), we get a palindrome (970877778079).

The spelling of 420322555055 in words is "four hundred twenty billion, three hundred twenty-two million, five hundred fifty-five thousand, fifty-five".