20573246 has 8 divisors (see below), whose sum is σ = 30879264. Its totient is φ = 10280160.

The previous prime is 20573233. The next prime is 20573249. The reversal of 20573246 is 64237502.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20573249) 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, 3851 + ... + 7481.

It is an arithmetic number, because the mean of its divisors is an integer number (3859908).

Almost surely, 2^20573246 is an apocalyptic number.

20573246 is a deficient number, since it is larger than the sum of its proper divisors (10306018).

20573246 is a wasteful number, since it uses less digits than its factorization.

20573246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6466.

The product of its (nonzero) digits is 10080, while the sum is 29.

The square root of 20573246 is about 4535.7740243535. The cubic root of 20573246 is about 274.0107531255.

The spelling of 20573246 in words is "twenty million, five hundred seventy-three thousand, two hundred forty-six".