20898296 has 8 divisors (see below), whose sum is σ = 39184320. Its totient is φ = 10449144.

The previous prime is 20898281. The next prime is 20898307. The reversal of 20898296 is 69289802.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1306136 + ... + 1306151.

It is an arithmetic number, because the mean of its divisors is an integer number (4898040).

Almost surely, 2^20898296 is an apocalyptic number.

It is an amenable number.

20898296 is a deficient number, since it is larger than the sum of its proper divisors (18286024).

20898296 is a wasteful number, since it uses less digits than its factorization.

20898296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2612293 (or 2612289 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 44.

The square root of 20898296 is about 4571.4654105659. The cubic root of 20898296 is about 275.4463099822.

The spelling of 20898296 in words is "twenty million, eight hundred ninety-eight thousand, two hundred ninety-six".