20773702050 has 96 divisors (see below), whose sum is σ = 52775669760. Its totient is φ = 5404795200.

The previous prime is 20773702049. The next prime is 20773702091. The reversal of 20773702050 is 5020737702.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11344635 + ... + 11346465.

It is an arithmetic number, because the mean of its divisors is an integer number (549746560).

Almost surely, 2^20773702050 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20773702050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26387834880).

20773702050 is an abundant number, since it is smaller than the sum of its proper divisors (32001967710).

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

20773702050 is a wasteful number, since it uses less digits than its factorization.

20773702050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3648 (or 3643 counting only the distinct ones).

The product of its (nonzero) digits is 20580, while the sum is 33.

The spelling of 20773702050 in words is "twenty billion, seven hundred seventy-three million, seven hundred two thousand, fifty".