19420036 has 12 divisors (see below), whose sum is σ = 34053712. Its totient is φ = 9690408.

The previous prime is 19420031. The next prime is 19420061. The reversal of 19420036 is 63002491.

It is not an unprimeable number, because it can be changed into a prime (19420031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2550 + ... + 6733.

Almost surely, 2^19420036 is an apocalyptic number.

It is an amenable number.

19420036 is a deficient number, since it is larger than the sum of its proper divisors (14633676).

19420036 is a wasteful number, since it uses less digits than its factorization.

19420036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9810 (or 9808 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 19420036 is about 4406.8169918888. The cubic root of 19420036 is about 268.7922092708.

The spelling of 19420036 in words is "nineteen million, four hundred twenty thousand, thirty-six".