20672298 has 24 divisors (see below), whose sum is σ = 45147648. Its totient is φ = 6835752.

The previous prime is 20672287. The next prime is 20672299. The reversal of 20672298 is 89227602.

It is not an unprimeable number, because it can be changed into a prime (20672299) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2236 + ... + 6807.

It is an arithmetic number, because the mean of its divisors is an integer number (1881152).

Almost surely, 2^20672298 is an apocalyptic number.

20672298 is an abundant number, since it is smaller than the sum of its proper divisors (24475350).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20672298 is a wasteful number, since it uses less digits than its factorization.

20672298 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9178 (or 9175 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 20672298 is about 4546.6798875663. The cubic root of 20672298 is about 274.4498002103.

The spelling of 20672298 in words is "twenty million, six hundred seventy-two thousand, two hundred ninety-eight".