20025704 has 8 divisors (see below), whose sum is σ = 37548210. Its totient is φ = 10012848.

The previous prime is 20025703. The next prime is 20025727. The reversal of 20025704 is 40752002.

It can be written as a sum of positive squares in only one way, i.e., 17623204 + 2402500 = 4198^2 + 1550^2 .

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

It is not an unprimeable number, because it can be changed into a prime (20025703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1251599 + ... + 1251614.

Almost surely, 2^20025704 is an apocalyptic number.

It is an amenable number.

20025704 is a deficient number, since it is larger than the sum of its proper divisors (17522506).

20025704 is a wasteful number, since it uses less digits than its factorization.

20025704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2503219 (or 2503215 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 20.

The square root of 20025704 is about 4475.0088268069. The cubic root of 20025704 is about 271.5579975290.

Adding to 20025704 its reverse (40752002), we get a palindrome (60777706).

The spelling of 20025704 in words is "twenty million, twenty-five thousand, seven hundred four".