20714619 has 8 divisors (see below), whose sum is σ = 29244240. Its totient is φ = 12997376.

The previous prime is 20714609. The next prime is 20714621. The reversal of 20714619 is 91641702.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 20714619 - 2⁵ = 20714587 is a prime.

It is a super-2 number, since 2×20714619² = 858190880630322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20714609) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 203034 + ... + 203135.

It is an arithmetic number, because the mean of its divisors is an integer number (3655530).

Almost surely, 2^20714619 is an apocalyptic number.

20714619 is a deficient number, since it is larger than the sum of its proper divisors (8529621).

20714619 is a wasteful number, since it uses less digits than its factorization.

20714619 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406189.

The product of its (nonzero) digits is 3024, while the sum is 30.

The square root of 20714619 is about 4551.3315633999. The cubic root of 20714619 is about 274.6369600639.

The spelling of 20714619 in words is "twenty million, seven hundred fourteen thousand, six hundred nineteen".