19080420 has 24 divisors (see below), whose sum is σ = 53425344. Its totient is φ = 5088096.

The previous prime is 19080403. The next prime is 19080421. The reversal of 19080420 is 2408091.

It is not an unprimeable number, because it can be changed into a prime (19080421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 158944 + ... + 159063.

It is an arithmetic number, because the mean of its divisors is an integer number (2226056).

Almost surely, 2^19080420 is an apocalyptic number.

19080420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

19080420 is an abundant number, since it is smaller than the sum of its proper divisors (34344924).

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

19080420 is a wasteful number, since it uses less digits than its factorization.

19080420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318019 (or 318017 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 19080420 is about 4368.1140095011. The cubic root of 19080420 is about 267.2161136553.

The spelling of 19080420 in words is "nineteen million, eighty thousand, four hundred twenty".