421020096 has 112 divisors (see below), whose sum is σ = 1348045056. Its totient is φ = 113209344.

The previous prime is 421020091. The next prime is 421020097. The reversal of 421020096 is 690020124.

It is a tau number, because it is divible by the number of its divisors (112).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421020091) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13635 + ... + 32061.

Almost surely, 2^421020096 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 421020096, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (674022528).

421020096 is an abundant number, since it is smaller than the sum of its proper divisors (927024960).

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

421020096 is a wasteful number, since it uses less digits than its factorization.

421020096 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18466 (or 18456 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 421020096 is about 20518.7742323951. The cubic root of 421020096 is about 749.4930476318.

The spelling of 421020096 in words is "four hundred twenty-one million, twenty thousand, ninety-six".