20049573 has 8 divisors (see below), whose sum is σ = 26754336. Its totient is φ = 13355600.

The previous prime is 20049571. The next prime is 20049593. The reversal of 20049573 is 37594002.

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 20049573 - 2¹ = 20049571 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20049573.

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 7 ways as a sum of consecutive naturals, for example, 4063 + ... + 7523.

It is an arithmetic number, because the mean of its divisors is an integer number (3344292).

Almost surely, 2^20049573 is an apocalyptic number.

It is an amenable number.

20049573 is a deficient number, since it is larger than the sum of its proper divisors (6704763).

20049573 is a wasteful number, since it uses less digits than its factorization.

20049573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5395.

The product of its (nonzero) digits is 7560, while the sum is 30.

The square root of 20049573 is about 4477.6749547058. The cubic root of 20049573 is about 271.6658463264.

The spelling of 20049573 in words is "twenty million, forty-nine thousand, five hundred seventy-three".