19995050 has 24 divisors (see below), whose sum is σ = 38810016. Its totient is φ = 7649840.

The previous prime is 19995037. The next prime is 19995061. The reversal of 19995050 is 5059991.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 19994995 and 19995013.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 7544 + ... + 9843.

It is an arithmetic number, because the mean of its divisors is an integer number (1617084).

Almost surely, 2^19995050 is an apocalyptic number.

19995050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

19995050 is a deficient number, since it is larger than the sum of its proper divisors (18814966).

19995050 is a wasteful number, since it uses less digits than its factorization.

19995050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17422 (or 17417 counting only the distinct ones).

The product of its (nonzero) digits is 18225, while the sum is 38.

The square root of 19995050 is about 4471.5824939276. The cubic root of 19995050 is about 271.4193658664.

The spelling of 19995050 in words is "nineteen million, nine hundred ninety-five thousand, fifty".