20673460 has 24 divisors (see below), whose sum is σ = 43535520. Its totient is φ = 8246304.

The previous prime is 20673427. The next prime is 20673461. The reversal of 20673460 is 6437602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20673461) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7147 + ... + 9613.

It is an arithmetic number, because the mean of its divisors is an integer number (1813980).

Almost surely, 2^20673460 is an apocalyptic number.

20673460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20673460 is an abundant number, since it is smaller than the sum of its proper divisors (22862060).

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

20673460 is a wasteful number, since it uses less digits than its factorization.

20673460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2895 (or 2893 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 28.

The square root of 20673460 is about 4546.8076713228. The cubic root of 20673460 is about 274.4549424332.

The spelling of 20673460 in words is "twenty million, six hundred seventy-three thousand, four hundred sixty".