20533096 has 8 divisors (see below), whose sum is σ = 38499570. Its totient is φ = 10266544.

The previous prime is 20533063. The next prime is 20533109. The reversal of 20533096 is 69033502.

It can be written as a sum of positive squares in only one way, i.e., 14212900 + 6320196 = 3770^2 + 2514^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 1283311 + ... + 1283326.

Almost surely, 2^20533096 is an apocalyptic number.

It is an amenable number.

20533096 is a deficient number, since it is larger than the sum of its proper divisors (17966474).

20533096 is a wasteful number, since it uses less digits than its factorization.

20533096 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2566643 (or 2566639 counting only the distinct ones).

The product of its (nonzero) digits is 4860, while the sum is 28.

The square root of 20533096 is about 4531.3459369154. The cubic root of 20533096 is about 273.8323872316.

Adding to 20533096 its reverse (69033502), we get a palindrome (89566598).

The spelling of 20533096 in words is "twenty million, five hundred thirty-three thousand, ninety-six".