20773507244 has 48 divisors (see below), whose sum is σ = 43020694080. Its totient is φ = 8587729920.

The previous prime is 20773507231. The next prime is 20773507301. The reversal of 20773507244 is 44270537702.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 879104 + ... + 902424.

It is an arithmetic number, because the mean of its divisors is an integer number (896264460).

Almost surely, 2^20773507244 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20773507244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21510347040).

20773507244 is an abundant number, since it is smaller than the sum of its proper divisors (22247186836).

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

20773507244 is a wasteful number, since it uses less digits than its factorization.

20773507244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24458 (or 24456 counting only the distinct ones).

The product of its (nonzero) digits is 329280, while the sum is 41.

The spelling of 20773507244 in words is "twenty billion, seven hundred seventy-three million, five hundred seven thousand, two hundred forty-four".