19230420 has 48 divisors (see below), whose sum is σ = 58742208. Its totient is φ = 4661760.

The previous prime is 19230389. The next prime is 19230427. The reversal of 19230420 is 2403291.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19230427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13909 + ... + 15228.

It is an arithmetic number, because the mean of its divisors is an integer number (1223796).

Almost surely, 2^19230420 is an apocalyptic number.

19230420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

19230420 is an abundant number, since it is smaller than the sum of its proper divisors (39511788).

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

19230420 is a wasteful number, since it uses less digits than its factorization.

19230420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29160 (or 29158 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 19230420 is about 4385.2502779203. The cubic root of 19230420 is about 267.9145231230.

The spelling of 19230420 in words is "nineteen million, two hundred thirty thousand, four hundred twenty".