420806220484 has 36 divisors (see below), whose sum is σ = 797753018496. Its totient is φ = 194136010848.

The previous prime is 420806220481. The next prime is 420806220511. The reversal of 420806220484 is 484022608024.

It is not an unprimeable number, because it can be changed into a prime (420806220481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1480297 + ... + 1741519.

Almost surely, 2^420806220484 is an apocalyptic number.

It is an amenable number.

420806220484 is a deficient number, since it is larger than the sum of its proper divisors (376946798012).

420806220484 is a wasteful number, since it uses less digits than its factorization.

420806220484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263636 (or 263621 counting only the distinct ones).

The product of its (nonzero) digits is 196608, while the sum is 40.

The spelling of 420806220484 in words is "four hundred twenty billion, eight hundred six million, two hundred twenty thousand, four hundred eighty-four".