420270652067 has 16 divisors (see below), whose sum is σ = 490229457600. Its totient is φ = 360145324224.

The previous prime is 420270652013. The next prime is 420270652097. The reversal of 420270652067 is 760256072024.

It is not a de Polignac number, because 420270652067 - 2¹⁰ = 420270651043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (420270652097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1301153 + ... + 1591709.

It is an arithmetic number, because the mean of its divisors is an integer number (30639341100).

Almost surely, 2^420270652067 is an apocalyptic number.

420270652067 is a deficient number, since it is larger than the sum of its proper divisors (69958805533).

420270652067 is an equidigital number, since it uses as much as digits as its factorization.

420270652067 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 294795 (or 294781 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 41.

The spelling of 420270652067 in words is "four hundred twenty billion, two hundred seventy million, six hundred fifty-two thousand, sixty-seven".