20255656716922 has 16 divisors (see below), whose sum is σ = 33161972212512. Its totient is φ = 9202574431120.

The previous prime is 20255656716901. The next prime is 20255656716941. The reversal of 20255656716922 is 22961765655202.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 227067313 + ... + 227156500.

It is an arithmetic number, because the mean of its divisors is an integer number (2072623263282).

Almost surely, 2^{20255656716922} is an apocalyptic number.

20255656716922 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20255656716922 is a deficient number, since it is larger than the sum of its proper divisors (12906315495590).

20255656716922 is a wasteful number, since it uses less digits than its factorization.

20255656716922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 454225853.

The product of its (nonzero) digits is 27216000, while the sum is 58.

The spelling of 20255656716922 in words is "twenty trillion, two hundred fifty-five billion, six hundred fifty-six million, seven hundred sixteen thousand, nine hundred twenty-two".