2104508420 has 24 divisors (see below), whose sum is σ = 5050820544. Its totient is φ = 721545696.

The previous prime is 2104508389. The next prime is 2104508423. The reversal of 2104508420 is 248054012.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 2104508420.

It is not an unprimeable number, because it can be changed into a prime (2104508423) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 7515962 + ... + 7516241.

It is an arithmetic number, because the mean of its divisors is an integer number (210450856).

Almost surely, 2^2104508420 is an apocalyptic number.

2104508420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2104508420 is an abundant number, since it is smaller than the sum of its proper divisors (2946312124).

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

2104508420 is a wasteful number, since it uses less digits than its factorization.

2104508420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15032219 (or 15032217 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 26.

The square root of 2104508420 is about 45874.9214713224. The cubic root of 2104508420 is about 1281.4949208723.

The spelling of 2104508420 in words is "two billion, one hundred four million, five hundred eight thousand, four hundred twenty".