20450568 has 32 divisors (see below), whose sum is σ = 52891200. Its totient is φ = 6581568.

The previous prime is 20450567. The next prime is 20450569. The reversal of 20450568 is 86505402.

It is an interprime number because it is at equal distance from previous prime (20450567) and next prime (20450569).

It is not an unprimeable number, because it can be changed into a prime (20450567) 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, 13996 + ... + 15387.

It is an arithmetic number, because the mean of its divisors is an integer number (1652850).

Almost surely, 2^20450568 is an apocalyptic number.

It is an amenable number.

20450568 is an abundant number, since it is smaller than the sum of its proper divisors (32440632).

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

20450568 is a wasteful number, since it uses less digits than its factorization.

20450568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29421 (or 29417 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 30.

The square root of 20450568 is about 4522.2304231430. The cubic root of 20450568 is about 273.4650261030.

The spelling of 20450568 in words is "twenty million, four hundred fifty thousand, five hundred sixty-eight".