20673662 has 8 divisors (see below), whose sum is σ = 31146600. Its totient is φ = 10291464.

The previous prime is 20673647. The next prime is 20673671. The reversal of 20673662 is 26637602.

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

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, 22112 + ... + 23027.

It is an arithmetic number, because the mean of its divisors is an integer number (3893325).

Almost surely, 2^20673662 is an apocalyptic number.

20673662 is a deficient number, since it is larger than the sum of its proper divisors (10472938).

20673662 is a wasteful number, since it uses less digits than its factorization.

20673662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45370.

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

The square root of 20673662 is about 4546.8298846559. The cubic root of 20673662 is about 274.4558363284.

The spelling of 20673662 in words is "twenty million, six hundred seventy-three thousand, six hundred sixty-two".