20445361348 has 6 divisors (see below), whose sum is σ = 35779382366. Its totient is φ = 10222680672.

The previous prime is 20445361297. The next prime is 20445361351. The reversal of 20445361348 is 84316354402.

It can be written as a sum of positive squares in only one way, i.e., 10270200964 + 10175160384 = 101342^2 + 100872^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 20445361348.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2555670165 + ... + 2555670172.

Almost surely, 2^20445361348 is an apocalyptic number.

It is an amenable number.

20445361348 is a deficient number, since it is larger than the sum of its proper divisors (15334021018).

20445361348 is a wasteful number, since it uses less digits than its factorization.

20445361348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5111340341 (or 5111340339 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 40.

The spelling of 20445361348 in words is "twenty billion, four hundred forty-five million, three hundred sixty-one thousand, three hundred forty-eight".