20226650805 has 32 divisors (see below), whose sum is σ = 35972899200. Its totient is φ = 10783224576.

The previous prime is 20226650789. The next prime is 20226650867. The reversal of 20226650805 is 50805662202.

It is not a de Polignac number, because 20226650805 - 2⁴ = 20226650789 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20226650805.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 323502 + ... + 380928.

It is an arithmetic number, because the mean of its divisors is an integer number (1124153100).

Almost surely, 2^20226650805 is an apocalyptic number.

It is an amenable number.

20226650805 is a deficient number, since it is larger than the sum of its proper divisors (15746248395).

20226650805 is a wasteful number, since it uses less digits than its factorization.

20226650805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60050 (or 60044 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

The spelling of 20226650805 in words is "twenty billion, two hundred twenty-six million, six hundred fifty thousand, eight hundred five".