20655726342926 has 16 divisors (see below), whose sum is σ = 31872087213120. Its totient is φ = 10033805214720.

The previous prime is 20655726342887. The next prime is 20655726342941. The reversal of 20655726342926 is 62924362755602.

It is a happy number.

It is a congruent number.

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, 526965971 + ... + 527005166.

It is an arithmetic number, because the mean of its divisors is an integer number (1992005450820).

Almost surely, 2^{20655726342926} is an apocalyptic number.

20655726342926 is a deficient number, since it is larger than the sum of its proper divisors (11216360870194).

20655726342926 is a wasteful number, since it uses less digits than its factorization.

20655726342926 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1053971419.

The product of its (nonzero) digits is 65318400, while the sum is 59.

The spelling of 20655726342926 in words is "twenty trillion, six hundred fifty-five billion, seven hundred twenty-six million, three hundred forty-two thousand, nine hundred twenty-six".