19942682 has 4 divisors (see below), whose sum is σ = 29914026. Its totient is φ = 9971340.

The previous prime is 19942673. The next prime is 19942709. The reversal of 19942682 is 28624991.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 11363641 + 8579041 = 3371^2 + 2929^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4985669 + ... + 4985672.

Almost surely, 2^19942682 is an apocalyptic number.

19942682 is a deficient number, since it is larger than the sum of its proper divisors (9971344).

19942682 is an equidigital number, since it uses as much as digits as its factorization.

19942682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9971343.

The product of its digits is 62208, while the sum is 41.

The square root of 19942682 is about 4465.7230097712. The cubic root of 19942682 is about 271.1822052322.

The spelling of 19942682 in words is "nineteen million, nine hundred forty-two thousand, six hundred eighty-two".