20049574 has 8 divisors (see below), whose sum is σ = 30808008. Its totient is φ = 9780240.

The previous prime is 20049571. The next prime is 20049593. The reversal of 20049574 is 47594002.

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 (20049571) 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, 122172 + ... + 122335.

It is an arithmetic number, because the mean of its divisors is an integer number (3851001).

Almost surely, 2^20049574 is an apocalyptic number.

20049574 is a deficient number, since it is larger than the sum of its proper divisors (10758434).

20049574 is a wasteful number, since it uses less digits than its factorization.

20049574 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244550.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 20049574 is about 4477.6750663709. The cubic root of 20049574 is about 271.6658508429.

The spelling of 20049574 in words is "twenty million, forty-nine thousand, five hundred seventy-four".