420220220223 has 8 divisors (see below), whose sum is σ = 573323711488. Its totient is φ = 273631771224.

The previous prime is 420220220197. The next prime is 420220220227. The reversal of 420220220223 is 322022022024.

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

It is not a de Polignac number, because 420220220223 - 2⁵ = 420220220191 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 420220220223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420220220227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1628760415 + ... + 1628760672.

It is an arithmetic number, because the mean of its divisors is an integer number (71665463936).

Almost surely, 2^420220220223 is an apocalyptic number.

420220220223 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

420220220223 is a deficient number, since it is larger than the sum of its proper divisors (153103491265).

420220220223 is a wasteful number, since it uses less digits than its factorization.

420220220223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3257521133.

The product of its (nonzero) digits is 1536, while the sum is 21.

Adding to 420220220223 its reverse (322022022024), we get a palindrome (742242242247).

The spelling of 420220220223 in words is "four hundred twenty billion, two hundred twenty million, two hundred twenty thousand, two hundred twenty-three".