420351442203 has 64 divisors (see below), whose sum is σ = 729724723200. Its totient is φ = 208704840960.

The previous prime is 420351442177. The next prime is 420351442253. The reversal of 420351442203 is 302244153024.

It is not a de Polignac number, because 420351442203 - 2⁶ = 420351442139 is a prime.

It is not an unprimeable number, because it can be changed into a prime (420351442253) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6817768 + ... + 6879146.

It is an arithmetic number, because the mean of its divisors is an integer number (11401948800).

Almost surely, 2^420351442203 is an apocalyptic number.

420351442203 is a deficient number, since it is larger than the sum of its proper divisors (309373280997).

420351442203 is a wasteful number, since it uses less digits than its factorization.

420351442203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62712.

The product of its (nonzero) digits is 23040, while the sum is 30.

Adding to 420351442203 its reverse (302244153024), we get a palindrome (722595595227).

The spelling of 420351442203 in words is "four hundred twenty billion, three hundred fifty-one million, four hundred forty-two thousand, two hundred three".