20419794 has 24 divisors (see below), whose sum is σ = 46572240. Its totient is φ = 6448248.

The previous prime is 20419781. The next prime is 20419801. The reversal of 20419794 is 49791402.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29512 + ... + 30195.

It is an arithmetic number, because the mean of its divisors is an integer number (1940510).

Almost surely, 2^20419794 is an apocalyptic number.

20419794 is an abundant number, since it is smaller than the sum of its proper divisors (26152446).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20419794 is a wasteful number, since it uses less digits than its factorization.

20419794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59734 (or 59731 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 20419794 is about 4518.8266176077. The cubic root of 20419794 is about 273.3277872495.

The spelling of 20419794 in words is "twenty million, four hundred nineteen thousand, seven hundred ninety-four".