20298874 has 8 divisors (see below), whose sum is σ = 30522240. Its totient is φ = 10124796.

The previous prime is 20298871. The next prime is 20298911. The reversal of 20298874 is 47889202.

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

It is not an unprimeable number, because it can be changed into a prime (20298871) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11274 + ... + 12949.

It is an arithmetic number, because the mean of its divisors is an integer number (3815280).

Almost surely, 2^20298874 is an apocalyptic number.

20298874 is a deficient number, since it is larger than the sum of its proper divisors (10223366).

20298874 is a wasteful number, since it uses less digits than its factorization.

20298874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24644.

The product of its (nonzero) digits is 64512, while the sum is 40.

The square root of 20298874 is about 4505.4271717563. The cubic root of 20298874 is about 272.7871965766.

The spelling of 20298874 in words is "twenty million, two hundred ninety-eight thousand, eight hundred seventy-four".