20896430 has 8 divisors (see below), whose sum is σ = 37613592. Its totient is φ = 8358568.

The previous prime is 20896423. The next prime is 20896441. The reversal of 20896430 is 3469802.

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, 1044812 + ... + 1044831.

It is an arithmetic number, because the mean of its divisors is an integer number (4701699).

Almost surely, 2^20896430 is an apocalyptic number.

20896430 is a deficient number, since it is larger than the sum of its proper divisors (16717162).

20896430 is a wasteful number, since it uses less digits than its factorization.

20896430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2089650.

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 20896430 is about 4571.2613139045. The cubic root of 20896430 is about 275.4381115767.

The spelling of 20896430 in words is "twenty million, eight hundred ninety-six thousand, four hundred thirty".