20601248 has 24 divisors (see below), whose sum is σ = 40983012. Its totient is φ = 10192896.

The previous prime is 20601247. The next prime is 20601271. The reversal of 20601248 is 84210602.

20601248 = 412² + 413² + ... + 508².

It can be written as a sum of positive squares in 2 ways, for example, as 18079504 + 2521744 = 4252^2 + 1588^2 .

It is a super-2 number, since 2×20601248² = 848822838315008, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20601241) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 215 + ... + 6422.

Almost surely, 2^20601248 is an apocalyptic number.

It is an amenable number.

20601248 is a deficient number, since it is larger than the sum of its proper divisors (20381764).

20601248 is an equidigital number, since it uses as much as digits as its factorization.

20601248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6744 (or 6736 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 20601248 is about 4538.8597687084. The cubic root of 20601248 is about 274.1350143561.

The spelling of 20601248 in words is "twenty million, six hundred one thousand, two hundred forty-eight".