20055503223201 has 8 divisors (see below), whose sum is σ = 27139785456544. Its totient is φ = 13170778236000.

The previous prime is 20055503223163. The next prime is 20055503223233. The reversal of 20055503223201 is 10232230555002.

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

It is not a de Polignac number, because 20055503223201 - 2²² = 20055499028897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20055503223251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49889311300 + ... + 49889311701.

It is an arithmetic number, because the mean of its divisors is an integer number (3392473182068).

Almost surely, 2^{20055503223201} is an apocalyptic number.

It is an amenable number.

20055503223201 is a deficient number, since it is larger than the sum of its proper divisors (7084282233343).

20055503223201 is an equidigital number, since it uses as much as digits as its factorization.

20055503223201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99778623071.

The product of its (nonzero) digits is 18000, while the sum is 30.

Adding to 20055503223201 its reverse (10232230555002), we get a palindrome (30287733778203).

The spelling of 20055503223201 in words is "twenty trillion, fifty-five billion, five hundred three million, two hundred twenty-three thousand, two hundred one".