20503334 has 16 divisors (see below), whose sum is σ = 31268160. Its totient is φ = 10082280.

The previous prime is 20503333. The next prime is 20503349. The reversal of 20503334 is 43330502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20503333) 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, 36137 + ... + 36699.

It is an arithmetic number, because the mean of its divisors is an integer number (1954260).

Almost surely, 2^20503334 is an apocalyptic number.

20503334 is a deficient number, since it is larger than the sum of its proper divisors (10764826).

20503334 is a wasteful number, since it uses less digits than its factorization.

20503334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 835.

The product of its (nonzero) digits is 1080, while the sum is 20.

The square root of 20503334 is about 4528.0607328083. The cubic root of 20503334 is about 273.7000197877.

Adding to 20503334 its reverse (43330502), we get a palindrome (63833836).

The spelling of 20503334 in words is "twenty million, five hundred three thousand, three hundred thirty-four".