19520328 has 32 divisors (see below), whose sum is σ = 50376960. Its totient is φ = 6296640.

The previous prime is 19520321. The next prime is 19520329. The reversal of 19520328 is 82302591.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 19520295 and 19520304.

It is not an unprimeable number, because it can be changed into a prime (19520321) 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, 12375 + ... + 13862.

It is an arithmetic number, because the mean of its divisors is an integer number (1574280).

Almost surely, 2^19520328 is an apocalyptic number.

It is an amenable number.

19520328 is an abundant number, since it is smaller than the sum of its proper divisors (30856632).

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

19520328 is a wasteful number, since it uses less digits than its factorization.

19520328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26277 (or 26273 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 19520328 is about 4418.1815263749. The cubic root of 19520328 is about 269.2541279911.

The spelling of 19520328 in words is "nineteen million, five hundred twenty thousand, three hundred twenty-eight".