20450704 has 20 divisors (see below), whose sum is σ = 40034764. Its totient is φ = 10119168.

The previous prime is 20450701. The next prime is 20450719. The reversal of 20450704 is 40705402.

It can be written as a sum of positive squares in 2 ways, for example, as 11209104 + 9241600 = 3348^2 + 3040^2 .

It is not an unprimeable number, because it can be changed into a prime (20450701) 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, 5037 + ... + 8140.

Almost surely, 2^20450704 is an apocalyptic number.

It is an amenable number.

20450704 is a deficient number, since it is larger than the sum of its proper divisors (19584060).

20450704 is a wasteful number, since it uses less digits than its factorization.

20450704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13282 (or 13276 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 22.

The square root of 20450704 is about 4522.2454599458. The cubic root of 20450704 is about 273.4656322990.

The spelling of 20450704 in words is "twenty million, four hundred fifty thousand, seven hundred four".