420223702525 has 96 divisors (see below), whose sum is σ = 641208960000. Its totient is φ = 269212953600.

The previous prime is 420223702463. The next prime is 420223702541. The reversal of 420223702525 is 525207322024.

It is not a de Polignac number, because 420223702525 - 2⁷ = 420223702397 is a prime.

It is a congruent number.

It is an unprimeable number.

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 95 ways as a sum of consecutive naturals, for example, 7343976 + ... + 7400974.

It is an arithmetic number, because the mean of its divisors is an integer number (6679260000).

Almost surely, 2^420223702525 is an apocalyptic number.

It is an amenable number.

420223702525 is a deficient number, since it is larger than the sum of its proper divisors (220985257475).

420223702525 is a wasteful number, since it uses less digits than its factorization.

420223702525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57139 (or 57134 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 34.

The spelling of 420223702525 in words is "four hundred twenty billion, two hundred twenty-three million, seven hundred two thousand, five hundred twenty-five".