20236839055 has 8 divisors (see below), whose sum is σ = 24295615344. Its totient is φ = 16181865600.

The previous prime is 20236839037. The next prime is 20236839061. The reversal of 20236839055 is 55093863202.

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

It is not a de Polignac number, because 20236839055 - 2⁹ = 20236838543 is a prime.

It is a Duffinian 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, 938986 + ... + 960295.

It is an arithmetic number, because the mean of its divisors is an integer number (3036951918).

Almost surely, 2^20236839055 is an apocalyptic number.

20236839055 is a deficient number, since it is larger than the sum of its proper divisors (4058776289).

20236839055 is a wasteful number, since it uses less digits than its factorization.

20236839055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1901417.

The product of its (nonzero) digits is 388800, while the sum is 43.

The spelling of 20236839055 in words is "twenty billion, two hundred thirty-six million, eight hundred thirty-nine thousand, fifty-five".