19520083 has 6 divisors (see below), whose sum is σ = 21456092. Its totient is φ = 17745420.

The previous prime is 19520071. The next prime is 19520089. The reversal of 19520083 is 38002591.

It is a de Polignac number, because none of the positive numbers 2^k-19520083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (19520089) 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 5 ways as a sum of consecutive naturals, for example, 80541 + ... + 80782.

Almost surely, 2^19520083 is an apocalyptic number.

19520083 is a deficient number, since it is larger than the sum of its proper divisors (1936009).

19520083 is a wasteful number, since it uses less digits than its factorization.

19520083 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161345 (or 161334 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 19520083 is about 4418.1537999486. The cubic root of 19520083 is about 269.2530015152.

The spelling of 19520083 in words is "nineteen million, five hundred twenty thousand, eighty-three".