20361448 has 16 divisors (see below), whose sum is σ = 38267460. Its totient is φ = 10156800.

The previous prime is 20361443. The next prime is 20361457. The reversal of 20361448 is 84416302.

It can be written as a sum of positive squares in 2 ways, for example, as 19518724 + 842724 = 4418^2 + 918^2 .

It is not an unprimeable number, because it can be changed into a prime (20361443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 928 + ... + 6448.

Almost surely, 2^20361448 is an apocalyptic number.

It is an amenable number.

20361448 is a deficient number, since it is larger than the sum of its proper divisors (17906012).

20361448 is a wasteful number, since it uses less digits than its factorization.

20361448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5988 (or 5984 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 20361448 is about 4512.3661198976. The cubic root of 20361448 is about 273.0672100798.

The spelling of 20361448 in words is "twenty million, three hundred sixty-one thousand, four hundred forty-eight".