20064544 has 12 divisors (see below), whose sum is σ = 39502134. Its totient is φ = 10032256.

The previous prime is 20064523. The next prime is 20064563. The reversal of 20064544 is 44546002.

It can be written as a sum of positive squares in only one way, i.e., 19254544 + 810000 = 4388^2 + 900^2 .

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 313477 + ... + 313540.

Almost surely, 2^20064544 is an apocalyptic number.

It is an amenable number.

20064544 is a deficient number, since it is larger than the sum of its proper divisors (19437590).

20064544 is an equidigital number, since it uses as much as digits as its factorization.

20064544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 627027 (or 627019 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 20064544 is about 4479.3463808909. The cubic root of 20064544 is about 271.7334470595.

The spelling of 20064544 in words is "twenty million, sixty-four thousand, five hundred forty-four".