19420076 has 12 divisors (see below), whose sum is σ = 36599472. Its totient is φ = 8963088.

The previous prime is 19420061. The next prime is 19420081. The reversal of 19420076 is 67002491.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 186680 + ... + 186783.

It is an arithmetic number, because the mean of its divisors is an integer number (3049956).

Almost surely, 2^19420076 is an apocalyptic number.

It is an amenable number.

19420076 is a deficient number, since it is larger than the sum of its proper divisors (17179396).

19420076 is a wasteful number, since it uses less digits than its factorization.

19420076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 373480 (or 373478 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 19420076 is about 4406.8215303096. The cubic root of 19420076 is about 268.7923938170.

The spelling of 19420076 in words is "nineteen million, four hundred twenty thousand, seventy-six".