420246652005 has 32 divisors (see below), whose sum is σ = 748471113600. Its totient is φ = 223721761536.

The previous prime is 420246651991. The next prime is 420246652057. The reversal of 420246652005 is 500256642024.

420246652005 is a `hidden beast` number, since 420 + 24 + 6 + 6 + 5 + 200 + 5 = 666.

It is not a de Polignac number, because 420246652005 - 2¹⁰ = 420246650981 is a prime.

It is a Curzon number.

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 31 ways as a sum of consecutive naturals, for example, 2771620 + ... + 2919309.

It is an arithmetic number, because the mean of its divisors is an integer number (23389722300).

Almost surely, 2^420246652005 is an apocalyptic number.

420246652005 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

420246652005 is a deficient number, since it is larger than the sum of its proper divisors (328224461595).

420246652005 is a wasteful number, since it uses less digits than its factorization.

420246652005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5691490 (or 5691484 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 36.

The spelling of 420246652005 in words is "four hundred twenty billion, two hundred forty-six million, six hundred fifty-two thousand, five".