20033511053223 has 4 divisors (see below), whose sum is σ = 26711348070968. Its totient is φ = 13355674035480.

The previous prime is 20033511053219. The next prime is 20033511053263. The reversal of 20033511053223 is 32235011533002.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 20033511053223 - 2² = 20033511053219 is a prime.

It is a super-2 number, since 2×20033511053223² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20033511053263) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3338918508868 + ... + 3338918508873.

It is an arithmetic number, because the mean of its divisors is an integer number (6677837017742).

Almost surely, 2^{20033511053223} is an apocalyptic number.

20033511053223 is a deficient number, since it is larger than the sum of its proper divisors (6677837017745).

20033511053223 is an equidigital number, since it uses as much as digits as its factorization.

20033511053223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6677837017744.

The product of its (nonzero) digits is 16200, while the sum is 30.

Adding to 20033511053223 its reverse (32235011533002), we get a palindrome (52268522586225).

The spelling of 20033511053223 in words is "twenty trillion, thirty-three billion, five hundred eleven million, fifty-three thousand, two hundred twenty-three".