420968017720 has 16 divisors (see below), whose sum is σ = 947178039960. Its totient is φ = 168387207072.

The previous prime is 420968017643. The next prime is 420968017783. The reversal of 420968017720 is 27710869024.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 5262100182 + ... + 5262100261.

Almost surely, 2^420968017720 is an apocalyptic number.

420968017720 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

420968017720 is an abundant number, since it is smaller than the sum of its proper divisors (526210022240).

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

420968017720 is a wasteful number, since it uses less digits than its factorization.

420968017720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10524200454 (or 10524200450 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 46.

The spelling of 420968017720 in words is "four hundred twenty billion, nine hundred sixty-eight million, seventeen thousand, seven hundred twenty".