19662950 has 24 divisors (see below), whose sum is σ = 36694080. Its totient is φ = 7839200.

The previous prime is 19662941. The next prime is 19662961. The reversal of 19662950 is 5926691.

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 Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23540 + ... + 24360.

It is an arithmetic number, because the mean of its divisors is an integer number (1528920).

Almost surely, 2^19662950 is an apocalyptic number.

19662950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

19662950 is a deficient number, since it is larger than the sum of its proper divisors (17031130).

19662950 is a wasteful number, since it uses less digits than its factorization.

With its predecessor (19662949) it forms a Ruth-Aaron pair, since the sum of their distinct prime factors is the same (1307).

19662950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1312 (or 1307 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 38.

The square root of 19662950 is about 4434.2925027562. The cubic root of 19662950 is about 269.9082907554.

The spelling of 19662950 in words is "nineteen million, six hundred sixty-two thousand, nine hundred fifty".