20550722050 has 24 divisors (see below), whose sum is σ = 40236152400. Its totient is φ = 7787641680.

The previous prime is 20550722033. The next prime is 20550722099. The reversal of 20550722050 is 5022705502.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10815220 + ... + 10817119.

It is an arithmetic number, because the mean of its divisors is an integer number (1676506350).

Almost surely, 2^20550722050 is an apocalyptic number.

20550722050 is a deficient number, since it is larger than the sum of its proper divisors (19685430350).

20550722050 is a wasteful number, since it uses less digits than its factorization.

20550722050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21632370 (or 21632365 counting only the distinct ones).

The product of its (nonzero) digits is 7000, while the sum is 28.

The spelling of 20550722050 in words is "twenty billion, five hundred fifty million, seven hundred twenty-two thousand, fifty".