20032648 has 8 divisors (see below), whose sum is σ = 37561230. Its totient is φ = 10016320.

The previous prime is 20032637. The next prime is 20032667. The reversal of 20032648 is 84623002.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 18818244 + 1214404 = 4338^2 + 1102^2 .

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1252033 + ... + 1252048.

Almost surely, 2^20032648 is an apocalyptic number.

It is an amenable number.

20032648 is a deficient number, since it is larger than the sum of its proper divisors (17528582).

20032648 is a wasteful number, since it uses less digits than its factorization.

20032648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2504087 (or 2504083 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 20032648 is about 4475.7846239514. The cubic root of 20032648 is about 271.5893818741.

The spelling of 20032648 in words is "twenty million, thirty-two thousand, six hundred forty-eight".