420660060 has 24 divisors (see below), whose sum is σ = 1177848336. Its totient is φ = 112176000.

The previous prime is 420660047. The next prime is 420660061. The reversal of 420660060 is 60066024.

It is a self number, because there is not a number n which added to its sum of digits gives 420660060.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420660061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3505441 + ... + 3505560.

It is an arithmetic number, because the mean of its divisors is an integer number (49077014).

Almost surely, 2^420660060 is an apocalyptic number.

It is an amenable number.

420660060 is an abundant number, since it is smaller than the sum of its proper divisors (757188276).

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

420660060 is a wasteful number, since it uses less digits than its factorization.

420660060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7011013 (or 7011011 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 420660060 is about 20509.9990248659. Note that the first 3 decimals coincide. The cubic root of 420660060 is about 749.2793433159.

The spelling of 420660060 in words is "four hundred twenty million, six hundred sixty thousand, sixty".