20899414 has 8 divisors (see below), whose sum is σ = 31430880. Its totient is φ = 10422456.

The previous prime is 20899379. The next prime is 20899423. The reversal of 20899414 is 41499802.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12654 + ... + 14209.

It is an arithmetic number, because the mean of its divisors is an integer number (3928860).

Almost surely, 2^20899414 is an apocalyptic number.

20899414 is a deficient number, since it is larger than the sum of its proper divisors (10531466).

20899414 is a wasteful number, since it uses less digits than its factorization.

20899414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27254.

The product of its (nonzero) digits is 20736, while the sum is 37.

The square root of 20899414 is about 4571.5876891951. The cubic root of 20899414 is about 275.4512217619.

The spelling of 20899414 in words is "twenty million, eight hundred ninety-nine thousand, four hundred fourteen".