420195696056 has 16 divisors (see below), whose sum is σ = 794070608640. Its totient is φ = 208443533760.

The previous prime is 420195696043. The next prime is 420195696059. The reversal of 420195696056 is 650696591024.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 420195695989 and 420195696007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420195696059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 206788205 + ... + 206790236.

It is an arithmetic number, because the mean of its divisors is an integer number (49629413040).

Almost surely, 2^420195696056 is an apocalyptic number.

It is an amenable number.

420195696056 is a deficient number, since it is larger than the sum of its proper divisors (373874912584).

420195696056 is a wasteful number, since it uses less digits than its factorization.

420195696056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 413578574 (or 413578570 counting only the distinct ones).

The product of its (nonzero) digits is 3499200, while the sum is 53.

The spelling of 420195696056 in words is "four hundred twenty billion, one hundred ninety-five million, six hundred ninety-six thousand, fifty-six".