20965498 has 8 divisors (see below), whose sum is σ = 31516992. Its totient is φ = 10459836.

The previous prime is 20965487. The next prime is 20965507. The reversal of 20965498 is 89456902.

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

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, 10290 + ... + 12157.

It is an arithmetic number, because the mean of its divisors is an integer number (3939624).

Almost surely, 2^20965498 is an apocalyptic number.

20965498 is a deficient number, since it is larger than the sum of its proper divisors (10551494).

20965498 is a wasteful number, since it uses less digits than its factorization.

20965498 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22916.

The product of its (nonzero) digits is 155520, while the sum is 43.

The square root of 20965498 is about 4578.8096706459. The cubic root of 20965498 is about 275.7412421150.

The spelling of 20965498 in words is "twenty million, nine hundred sixty-five thousand, four hundred ninety-eight".