20519414 has 8 divisors (see below), whose sum is σ = 31840560. Its totient is φ = 9905896.

The previous prime is 20519413. The next prime is 20519417. The reversal of 20519414 is 41491502.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20519413) 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, 176834 + ... + 176949.

It is an arithmetic number, because the mean of its divisors is an integer number (3980070).

Almost surely, 2^20519414 is an apocalyptic number.

20519414 is a deficient number, since it is larger than the sum of its proper divisors (11321146).

20519414 is a wasteful number, since it uses less digits than its factorization.

20519414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353814.

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 20519414 is about 4529.8359793706. The cubic root of 20519414 is about 273.7715519961.

The spelling of 20519414 in words is "twenty million, five hundred nineteen thousand, four hundred fourteen".