20050512222 has 32 divisors (see below), whose sum is σ = 43226523648. Its totient is φ = 6163559136.

The previous prime is 20050512211. The next prime is 20050512241. The reversal of 20050512222 is 22221505002.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37998 + ... + 203825.

It is an arithmetic number, because the mean of its divisors is an integer number (1350828864).

Almost surely, 2^20050512222 is an apocalyptic number.

20050512222 is an abundant number, since it is smaller than the sum of its proper divisors (23176011426).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20050512222 is a wasteful number, since it uses less digits than its factorization.

20050512222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242904.

The product of its (nonzero) digits is 800, while the sum is 21.

The spelling of 20050512222 in words is "twenty billion, fifty million, five hundred twelve thousand, two hundred twenty-two".