421020116 has 48 divisors (see below), whose sum is σ = 817387200. Its totient is φ = 188160000.

The previous prime is 421020097. The next prime is 421020143. The reversal of 421020116 is 611020124.

It is a junction number, because it is equal to n+sod(n) for n = 421020094 and 421020103.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 937460 + ... + 937908.

It is an arithmetic number, because the mean of its divisors is an integer number (17028900).

Almost surely, 2^421020116 is an apocalyptic number.

It is an amenable number.

421020116 is a deficient number, since it is larger than the sum of its proper divisors (396367084).

421020116 is a wasteful number, since it uses less digits than its factorization.

421020116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 776 (or 774 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 421020116 is about 20518.7747197536. The cubic root of 421020116 is about 749.4930594997.

The spelling of 421020116 in words is "four hundred twenty-one million, twenty thousand, one hundred sixteen".