20352232 has 8 divisors (see below), whose sum is σ = 38160450. Its totient is φ = 10176112.

The previous prime is 20352203. The next prime is 20352259. The reversal of 20352232 is 23225302.

It can be written as a sum of positive squares in only one way, i.e., 10201636 + 10150596 = 3194^2 + 3186^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1272007 + ... + 1272022.

Almost surely, 2^20352232 is an apocalyptic number.

It is an amenable number.

20352232 is a deficient number, since it is larger than the sum of its proper divisors (17808218).

20352232 is a wasteful number, since it uses less digits than its factorization.

20352232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2544035 (or 2544031 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 19.

The square root of 20352232 is about 4511.3448105859. The cubic root of 20352232 is about 273.0260052960.

Adding to 20352232 its reverse (23225302), we get a palindrome (43577534).

It can be divided in two parts, 203522 and 32, that multiplied together give a square (6512704 = 2552²).

The spelling of 20352232 in words is "twenty million, three hundred fifty-two thousand, two hundred thirty-two".