20352052 has 18 divisors (see below), whose sum is σ = 41431362. Its totient is φ = 8722224.

The previous prime is 20352049. The next prime is 20352061. The reversal of 20352052 is 25025302.

It can be written as a sum of positive squares in only one way, i.e., 18352656 + 1999396 = 4284^2 + 1414^2 .

It is a super-2 number, since 2×20352052² = 828412041221408, which contains 22 as substring.

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 5 ways as a sum of consecutive naturals, for example, 51723 + ... + 52114.

Almost surely, 2^20352052 is an apocalyptic number.

It is an amenable number.

20352052 is an abundant number, since it is smaller than the sum of its proper divisors (21079310).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20352052 is a wasteful number, since it uses less digits than its factorization.

20352052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103855 (or 103846 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 19.

The square root of 20352052 is about 4511.3248608363. The cubic root of 20352052 is about 273.0252003912.

Adding to 20352052 its reverse (25025302), we get a palindrome (45377354).

The spelling of 20352052 in words is "twenty million, three hundred fifty-two thousand, fifty-two".