19968950 has 12 divisors (see below), whose sum is σ = 37142340. Its totient is φ = 7987560.

The previous prime is 19968947. The next prime is 19968953. The reversal of 19968950 is 5986991.

It is an interprime number because it is at equal distance from previous prime (19968947) and next prime (19968953).

It is a hoax number, since the sum of its digits (47) 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 = 19968895 and 19968904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19968953) 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, 199640 + ... + 199739.

It is an arithmetic number, because the mean of its divisors is an integer number (3095195).

Almost surely, 2^19968950 is an apocalyptic number.

19968950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

19968950 is a deficient number, since it is larger than the sum of its proper divisors (17173390).

19968950 is a wasteful number, since it uses less digits than its factorization.

19968950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 399391 (or 399386 counting only the distinct ones).

The product of its (nonzero) digits is 174960, while the sum is 47.

The square root of 19968950 is about 4468.6631110434. The cubic root of 19968950 is about 271.3012177913.

The spelling of 19968950 in words is "nineteen million, nine hundred sixty-eight thousand, nine hundred fifty".