20927391222 has 8 divisors (see below), whose sum is σ = 41854782456. Its totient is φ = 6975797072.

The previous prime is 20927391211. The next prime is 20927391223. The reversal of 20927391222 is 22219372902.

It is a sphenic number, since it is the product of 3 distinct primes.

20927391222 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20927391223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1743949263 + ... + 1743949274.

It is an arithmetic number, because the mean of its divisors is an integer number (5231847807).

Almost surely, 2^20927391222 is an apocalyptic number.

20927391222 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

20927391222 is a wasteful number, since it uses less digits than its factorization.

20927391222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3487898542.

The product of its (nonzero) digits is 54432, while the sum is 39.

The spelling of 20927391222 in words is "twenty billion, nine hundred twenty-seven million, three hundred ninety-one thousand, two hundred twenty-two".