20604248 has 32 divisors (see below), whose sum is σ = 44486400. Its totient is φ = 8763552.

The previous prime is 20604247. The next prime is 20604277. The reversal of 20604248 is 84240602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20604247) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6461 + ... + 9107.

It is an arithmetic number, because the mean of its divisors is an integer number (1390200).

Almost surely, 2^20604248 is an apocalyptic number.

20604248 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

20604248 is an abundant number, since it is smaller than the sum of its proper divisors (23882152).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20604248 is a wasteful number, since it uses less digits than its factorization.

20604248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2799 (or 2795 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 26.

The square root of 20604248 is about 4539.1902361545. The cubic root of 20604248 is about 274.1483204291.

The spelling of 20604248 in words is "twenty million, six hundred four thousand, two hundred forty-eight".