19942430302 has 8 divisors (see below), whose sum is σ = 29967352056. Its totient is φ = 9953312952.

The previous prime is 19942430243. The next prime is 19942430303. The reversal of 19942430302 is 20303424991.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×19942430302² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19942430303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8949708 + ... + 8951935.

It is an arithmetic number, because the mean of its divisors is an integer number (3745919007).

Almost surely, 2^19942430302 is an apocalyptic number.

19942430302 is a deficient number, since it is larger than the sum of its proper divisors (10024921754).

19942430302 is a wasteful number, since it uses less digits than its factorization.

19942430302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17902202.

The product of its (nonzero) digits is 46656, while the sum is 37.

The spelling of 19942430302 in words is "nineteen billion, nine hundred forty-two million, four hundred thirty thousand, three hundred two".