19300420 has 24 divisors (see below), whose sum is σ = 40622400. Its totient is φ = 7702752.

The previous prime is 19300387. The next prime is 19300429. The reversal of 19300420 is 2400391.

It is not an unprimeable number, because it can be changed into a prime (19300429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11601 + ... + 13159.

It is an arithmetic number, because the mean of its divisors is an integer number (1692600).

Almost surely, 2^19300420 is an apocalyptic number.

19300420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

19300420 is an abundant number, since it is smaller than the sum of its proper divisors (21321980).

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

19300420 is a wasteful number, since it uses less digits than its factorization.

19300420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2187 (or 2185 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 19300420 is about 4393.2243284403. The cubic root of 19300420 is about 268.2392050114.

The spelling of 19300420 in words is "nineteen million, three hundred thousand, four hundred twenty".