20450222665233 has 16 divisors (see below), whose sum is σ = 27308025820416. Its totient is φ = 13612951457280.

The previous prime is 20450222665199. The next prime is 20450222665241. The reversal of 20450222665233 is 33256622205402.

It is a happy number.

It is not a de Polignac number, because 20450222665233 - 2¹³ = 20450222657041 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20450222665283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 179777491 + ... + 179891207.

It is an arithmetic number, because the mean of its divisors is an integer number (1706751613776).

Almost surely, 2^{20450222665233} is an apocalyptic number.

It is an amenable number.

20450222665233 is a deficient number, since it is larger than the sum of its proper divisors (6857803155183).

20450222665233 is a wasteful number, since it uses less digits than its factorization.

20450222665233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203464.

The product of its (nonzero) digits is 1036800, while the sum is 42.

The spelling of 20450222665233 in words is "twenty trillion, four hundred fifty billion, two hundred twenty-two million, six hundred sixty-five thousand, two hundred thirty-three".