20984452 has 6 divisors (see below), whose sum is σ = 36722798. Its totient is φ = 10492224.

The previous prime is 20984437. The next prime is 20984461. The reversal of 20984452 is 25448902.

It can be written as a sum of positive squares in only one way, i.e., 18870336 + 2114116 = 4344^2 + 1454^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2623053 + ... + 2623060.

Almost surely, 2^20984452 is an apocalyptic number.

It is an amenable number.

20984452 is a deficient number, since it is larger than the sum of its proper divisors (15738346).

20984452 is a wasteful number, since it uses less digits than its factorization.

20984452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5246117 (or 5246115 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 34.

The square root of 20984452 is about 4580.8789549605. The cubic root of 20984452 is about 275.8243123304.

The spelling of 20984452 in words is "twenty million, nine hundred eighty-four thousand, four hundred fifty-two".