20441206550 has 24 divisors (see below), whose sum is σ = 38501925600. Its totient is φ = 8072981280.

The previous prime is 20441206537. The next prime is 20441206559. The reversal of 20441206550 is 5560214402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20441206559) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2583545 + ... + 2591444.

It is an arithmetic number, because the mean of its divisors is an integer number (1604246900).

Almost surely, 2^20441206550 is an apocalyptic number.

20441206550 is a deficient number, since it is larger than the sum of its proper divisors (18060719050).

20441206550 is a wasteful number, since it uses less digits than its factorization.

20441206550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5175080 (or 5175075 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 29.

The spelling of 20441206550 in words is "twenty billion, four hundred forty-one million, two hundred six thousand, five hundred fifty".