20702245552 has 10 divisors (see below), whose sum is σ = 40110600788. Its totient is φ = 10351122768.

The previous prime is 20702245519. The next prime is 20702245583. The reversal of 20702245552 is 25554220702.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 646945158 + ... + 646945189.

Almost surely, 2^20702245552 is an apocalyptic number.

It is an amenable number.

20702245552 is a deficient number, since it is larger than the sum of its proper divisors (19408355236).

20702245552 is a wasteful number, since it uses less digits than its factorization.

20702245552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1293890355 (or 1293890349 counting only the distinct ones).

The product of its (nonzero) digits is 56000, while the sum is 34.

The spelling of 20702245552 in words is "twenty billion, seven hundred two million, two hundred forty-five thousand, five hundred fifty-two".