20073365450 has 24 divisors (see below), whose sum is σ = 37341862572. Its totient is φ = 8028184320.

The previous prime is 20073365441. The next prime is 20073365471. The reversal of 20073365450 is 5456337002.

It can be written as a sum of positive squares in 6 ways, for example, as 11693610769 + 8379754681 = 108137^2 + 91541^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 20073365450.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 375812 + ... + 425888.

Almost surely, 2^20073365450 is an apocalyptic number.

20073365450 is a deficient number, since it is larger than the sum of its proper divisors (17268497122).

20073365450 is a wasteful number, since it uses less digits than its factorization.

20073365450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58106 (or 58101 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 35.

The spelling of 20073365450 in words is "twenty billion, seventy-three million, three hundred sixty-five thousand, four hundred fifty".