20535352 has 16 divisors (see below), whose sum is σ = 40530600. Its totient is φ = 9727200.

The previous prime is 20535349. The next prime is 20535367. The reversal of 20535352 is 25353502.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67399 + ... + 67702.

Almost surely, 2^20535352 is an apocalyptic number.

It is an amenable number.

20535352 is a deficient number, since it is larger than the sum of its proper divisors (19995248).

20535352 is a wasteful number, since it uses less digits than its factorization.

20535352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135126 (or 135122 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 25.

The square root of 20535352 is about 4531.5948627387. The cubic root of 20535352 is about 273.8424156469.

Adding to 20535352 its reverse (25353502), we get a palindrome (45888854).

The spelling of 20535352 in words is "twenty million, five hundred thirty-five thousand, three hundred fifty-two".