20546050655 has 32 divisors (see below), whose sum is σ = 28376599104. Its totient is φ = 14146430976.

The previous prime is 20546050643. The next prime is 20546050663. The reversal of 20546050655 is 55605064502.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 20546050655 - 2²⁴ = 20529273439 is a prime.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 31349 + ... + 205121.

It is an arithmetic number, because the mean of its divisors is an integer number (886768722).

Almost surely, 2^20546050655 is an apocalyptic number.

20546050655 is a deficient number, since it is larger than the sum of its proper divisors (7830548449).

20546050655 is a wasteful number, since it uses less digits than its factorization.

20546050655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173915.

The product of its (nonzero) digits is 180000, while the sum is 38.

The spelling of 20546050655 in words is "twenty billion, five hundred forty-six million, fifty thousand, six hundred fifty-five".