20467243 has 8 divisors (see below), whose sum is σ = 21268800. Its totient is φ = 19672128.

The previous prime is 20467189. The next prime is 20467247. The reversal of 20467243 is 34276402.

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

It is a cyclic number.

It is not a de Polignac number, because 20467243 - 2⁹ = 20466731 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20467247) 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, 5455 + ... + 8407.

It is an arithmetic number, because the mean of its divisors is an integer number (2658600).

Almost surely, 2^20467243 is an apocalyptic number.

20467243 is a deficient number, since it is larger than the sum of its proper divisors (801557).

20467243 is a wasteful number, since it uses less digits than its factorization.

20467243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3221.

The product of its (nonzero) digits is 8064, while the sum is 28.

The square root of 20467243 is about 4524.0737173481. The cubic root of 20467243 is about 273.5393319525.

The spelling of 20467243 in words is "twenty million, four hundred sixty-seven thousand, two hundred forty-three".