20673338 has 16 divisors (see below), whose sum is σ = 35507904. Its totient is φ = 8843040.

The previous prime is 20673329. The next prime is 20673347. The reversal of 20673338 is 83337602.

It is an interprime number because it is at equal distance from previous prime (20673329) and next prime (20673347).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8606 + ... + 10742.

It is an arithmetic number, because the mean of its divisors is an integer number (2219244).

Almost surely, 2^20673338 is an apocalyptic number.

20673338 is a deficient number, since it is larger than the sum of its proper divisors (14834566).

20673338 is a wasteful number, since it uses less digits than its factorization.

20673338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2837.

The product of its (nonzero) digits is 18144, while the sum is 32.

The square root of 20673338 is about 4546.7942552968. The cubic root of 20673338 is about 274.4544025531.

The spelling of 20673338 in words is "twenty million, six hundred seventy-three thousand, three hundred thirty-eight".