20049073 has 8 divisors (see below), whose sum is σ = 21936960. Its totient is φ = 18172080.

The previous prime is 20049067. The next prime is 20049083. The reversal of 20049073 is 37094002.

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 20049073 - 2¹⁷ = 19918001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20049023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1411 + ... + 6487.

It is an arithmetic number, because the mean of its divisors is an integer number (2742120).

Almost surely, 2^20049073 is an apocalyptic number.

It is an amenable number.

20049073 is a deficient number, since it is larger than the sum of its proper divisors (1887887).

20049073 is a wasteful number, since it uses less digits than its factorization.

20049073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5447.

The product of its (nonzero) digits is 1512, while the sum is 25.

The square root of 20049073 is about 4477.6191218102. The cubic root of 20049073 is about 271.6635880230.

The spelling of 20049073 in words is "twenty million, forty-nine thousand, seventy-three".