20553805750 has 48 divisors (see below), whose sum is σ = 40608577152. Its totient is φ = 7788776400.

The previous prime is 20553805739. The next prime is 20553805757. The reversal of 20553805750 is 5750835502.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20553805757) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23622 + ... + 204121.

It is an arithmetic number, because the mean of its divisors is an integer number (846012024).

Almost surely, 2^20553805750 is an apocalyptic number.

20553805750 is a deficient number, since it is larger than the sum of its proper divisors (20054771402).

20553805750 is a wasteful number, since it uses less digits than its factorization.

20553805750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227798 (or 227769 counting only the distinct ones).

The product of its (nonzero) digits is 210000, while the sum is 40.

The spelling of 20553805750 in words is "twenty billion, five hundred fifty-three million, eight hundred five thousand, seven hundred fifty".