20636098955 has 8 divisors (see below), whose sum is σ = 24836802432. Its totient is φ = 16459890048.

The previous prime is 20636098933. The next prime is 20636098961. The reversal of 20636098955 is 55989063602.

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

It is a cyclic number.

It is not a de Polignac number, because 20636098955 - 2⁸ = 20636098699 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20636098897 and 20636098906.

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, 6121787 + ... + 6125156.

It is an arithmetic number, because the mean of its divisors is an integer number (3104600304).

Almost surely, 2^20636098955 is an apocalyptic number.

20636098955 is a deficient number, since it is larger than the sum of its proper divisors (4200703477).

20636098955 is a wasteful number, since it uses less digits than its factorization.

20636098955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12247285.

The product of its (nonzero) digits is 3499200, while the sum is 53.

The spelling of 20636098955 in words is "twenty billion, six hundred thirty-six million, ninety-eight thousand, nine hundred fifty-five".