420055102000 has 80 divisors (see below), whose sum is σ = 1032908666400. Its totient is φ = 165174163200.

The previous prime is 420055101979. The next prime is 420055102021. The reversal of 420055102000 is 201550024.

It is an interprime number because it is at equal distance from previous prime (420055101979) and next prime (420055102021).

It is a tau number, because it is divible by the number of its divisors (80).

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 15 ways as a sum of consecutive naturals, for example, 1661895 + ... + 1897894.

It is an arithmetic number, because the mean of its divisors is an integer number (12911358330).

Almost surely, 2^420055102000 is an apocalyptic number.

420055102000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

420055102000 is an abundant number, since it is smaller than the sum of its proper divisors (612853564400).

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

420055102000 is a wasteful number, since it uses less digits than its factorization.

420055102000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3559871 (or 3559855 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 19.

Adding to 420055102000 its reverse (201550024), we get a palindrome (420256652024).

The spelling of 420055102000 in words is "four hundred twenty billion, fifty-five million, one hundred two thousand".