20148998 has 8 divisors (see below), whose sum is σ = 30242592. Its totient is φ = 10068136.

The previous prime is 20148967. The next prime is 20149009. The reversal of 20148998 is 89984102.

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

It is a Curzon 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, 4211 + ... + 7617.

It is an arithmetic number, because the mean of its divisors is an integer number (3780324).

Almost surely, 2^20148998 is an apocalyptic number.

20148998 is a deficient number, since it is larger than the sum of its proper divisors (10093594).

20148998 is a wasteful number, since it uses less digits than its factorization.

20148998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6366.

The product of its (nonzero) digits is 41472, while the sum is 41.

The square root of 20148998 is about 4488.7635268524. The cubic root of 20148998 is about 272.1141659588.

The spelling of 20148998 in words is "twenty million, one hundred forty-eight thousand, nine hundred ninety-eight".