20049033 has 16 divisors (see below), whose sum is σ = 27762176. Its totient is φ = 12856320.

The previous prime is 20049023. The next prime is 20049049. The reversal of 20049033 is 33094002.

It is not a de Polignac number, because 20049033 - 2⁶ = 20048969 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 polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17391 + ... + 18507.

It is an arithmetic number, because the mean of its divisors is an integer number (1735136).

Almost surely, 2^20049033 is an apocalyptic number.

It is an amenable number.

20049033 is a deficient number, since it is larger than the sum of its proper divisors (7713143).

20049033 is a wasteful number, since it uses less digits than its factorization.

20049033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1344.

The product of its (nonzero) digits is 648, while the sum is 21.

The square root of 20049033 is about 4477.6146551484. The cubic root of 20049033 is about 271.6634073572.

The spelling of 20049033 in words is "twenty million, forty-nine thousand, thirty-three".