20898246 has 8 divisors (see below), whose sum is σ = 41796504. Its totient is φ = 6966080.

The previous prime is 20898223. The next prime is 20898257. The reversal of 20898246 is 64289802.

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

20898246 is an admirable number.

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, 1741515 + ... + 1741526.

It is an arithmetic number, because the mean of its divisors is an integer number (5224563).

Almost surely, 2^20898246 is an apocalyptic number.

20898246 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

20898246 is a wasteful number, since it uses less digits than its factorization.

20898246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3483046.

The product of its (nonzero) digits is 55296, while the sum is 39.

The square root of 20898246 is about 4571.4599418566. The cubic root of 20898246 is about 275.4460903099.

The spelling of 20898246 in words is "twenty million, eight hundred ninety-eight thousand, two hundred forty-six".