420201984648 has 32 divisors (see below), whose sum is σ = 1050526526400. Its totient is φ = 140064452928.

The previous prime is 420201984623. The next prime is 420201984677. The reversal of 420201984648 is 846489102024.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 420201984597 and 420201984606.

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, 1243965 + ... + 1545267.

It is an arithmetic number, because the mean of its divisors is an integer number (32828953950).

Almost surely, 2^420201984648 is an apocalyptic number.

It is an amenable number.

420201984648 is an abundant number, since it is smaller than the sum of its proper divisors (630324541752).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

420201984648 is a wasteful number, since it uses less digits than its factorization.

420201984648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 359421 (or 359417 counting only the distinct ones).

The product of its (nonzero) digits is 884736, while the sum is 48.

The spelling of 420201984648 in words is "four hundred twenty billion, two hundred one million, nine hundred eighty-four thousand, six hundred forty-eight".