20452084 has 6 divisors (see below), whose sum is σ = 35791154. Its totient is φ = 10226040.

The previous prime is 20452079. The next prime is 20452093. The reversal of 20452084 is 48025402.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 20448484 + 3600 = 4522^2 + 60^2 .

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 as a sum of consecutive naturals, namely, 2556507 + ... + 2556514.

Almost surely, 2^20452084 is an apocalyptic number.

It is an amenable number.

20452084 is a deficient number, since it is larger than the sum of its proper divisors (15339070).

20452084 is a wasteful number, since it uses less digits than its factorization.

20452084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5113025 (or 5113023 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 25.

The square root of 20452084 is about 4522.3980364404. The cubic root of 20452084 is about 273.4717832541.

Adding to 20452084 its reverse (48025402), we get a palindrome (68477486).

The spelling of 20452084 in words is "twenty million, four hundred fifty-two thousand, eighty-four".