20750448 has 20 divisors (see below), whose sum is σ = 53605448. Its totient is φ = 6916800.

The previous prime is 20750447. The next prime is 20750449. The reversal of 20750448 is 84405702.

It is an interprime number because it is at equal distance from previous prime (20750447) and next prime (20750449).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20750441) 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, 216103 + ... + 216198.

Almost surely, 2^20750448 is an apocalyptic number.

It is an amenable number.

20750448 is an abundant number, since it is smaller than the sum of its proper divisors (32855000).

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

20750448 is a wasteful number, since it uses less digits than its factorization.

20750448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 432312 (or 432306 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 30.

The square root of 20750448 is about 4555.2659636952. The cubic root of 20750448 is about 274.7952106189.

The spelling of 20750448 in words is "twenty million, seven hundred fifty thousand, four hundred forty-eight".