20650248704 has 40 divisors (see below), whose sum is σ = 43687251828. Its totient is φ = 9717760000.

The previous prime is 20650248611. The next prime is 20650248719. The reversal of 20650248704 is 40784205602.

It can be written as a sum of positive squares in 2 ways, for example, as 20492495104 + 157753600 = 143152^2 + 12560^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1177547 + ... + 1194954.

Almost surely, 2^20650248704 is an apocalyptic number.

It is an amenable number.

20650248704 is an abundant number, since it is smaller than the sum of its proper divisors (23037003124).

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

20650248704 is an equidigital number, since it uses as much as digits as its factorization.

20650248704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2372536 (or 2372520 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 38.

The spelling of 20650248704 in words is "twenty billion, six hundred fifty million, two hundred forty-eight thousand, seven hundred four".