20573416 has 16 divisors (see below), whose sum is σ = 38772000. Its totient is φ = 10234224.

The previous prime is 20573411. The next prime is 20573453. The reversal of 20573416 is 61437502.

It is not an unprimeable number, because it can be changed into a prime (20573411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4870 + ... + 8053.

It is an arithmetic number, because the mean of its divisors is an integer number (2423250).

Almost surely, 2^20573416 is an apocalyptic number.

It is an amenable number.

20573416 is a deficient number, since it is larger than the sum of its proper divisors (18198584).

20573416 is a wasteful number, since it uses less digits than its factorization.

20573416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13128 (or 13124 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 20573416 is about 4535.7927642255. The cubic root of 20573416 is about 274.0115078549.

The spelling of 20573416 in words is "twenty million, five hundred seventy-three thousand, four hundred sixteen".