20944820050 has 384 divisors, whose sum is σ = 54510796800. Its totient is φ = 5787936000.

The previous prime is 20944819969. The next prime is 20944820051. The reversal of 20944820050 is 5002844902.

It is a junction number, because it is equal to n+sod(n) for n = 20944819988 and 20944820015.

It is not an unprimeable number, because it can be changed into a prime (20944820051) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 99264445 + ... + 99264655.

It is an arithmetic number, because the mean of its divisors is an integer number (141955200).

Almost surely, 2^20944820050 is an apocalyptic number.

20944820050 is an abundant number, since it is smaller than the sum of its proper divisors (33565976750).

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

20944820050 is a wasteful number, since it uses less digits than its factorization.

20944820050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342 (or 337 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 34.

The spelling of 20944820050 in words is "twenty billion, nine hundred forty-four million, eight hundred twenty thousand, fifty".