20673336 has 32 divisors (see below), whose sum is σ = 52191360. Its totient is φ = 6823392.

The previous prime is 20673329. The next prime is 20673347. The reversal of 20673336 is 63337602.

It is a congruent number.

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, 1710 + ... + 6653.

It is an arithmetic number, because the mean of its divisors is an integer number (1630980).

Almost surely, 2^20673336 is an apocalyptic number.

It is an amenable number.

20673336 is an abundant number, since it is smaller than the sum of its proper divisors (31518024).

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

20673336 is a wasteful number, since it uses less digits than its factorization.

20673336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8475 (or 8471 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 30.

The square root of 20673336 is about 4546.7940353616. The cubic root of 20673336 is about 274.4543937026.

The spelling of 20673336 in words is "twenty million, six hundred seventy-three thousand, three hundred thirty-six".