20880098 has 8 divisors (see below), whose sum is σ = 31406592. Its totient is φ = 10411236.

The previous prime is 20880077. The next prime is 20880103. The reversal of 20880098 is 89008802.

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

It is a Curzon 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, 13490 + ... + 14957.

It is an arithmetic number, because the mean of its divisors is an integer number (3925824).

Almost surely, 2^20880098 is an apocalyptic number.

20880098 is a deficient number, since it is larger than the sum of its proper divisors (10526494).

20880098 is a wasteful number, since it uses less digits than its factorization.

20880098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28816.

The product of its (nonzero) digits is 9216, while the sum is 35.

The square root of 20880098 is about 4569.4745868644. The cubic root of 20880098 is about 275.3663349192.

The spelling of 20880098 in words is "twenty million, eight hundred eighty thousand, ninety-eight".