33201220223 has 4 divisors (see below), whose sum is σ = 33222355608. Its totient is φ = 33180084840.

The previous prime is 33201220211. The next prime is 33201220229. The reversal of 33201220223 is 32202210233.

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

It is a cyclic number.

It is not a de Polignac number, because 33201220223 - 2⁸ = 33201219967 is a prime.

It is a super-2 number, since 2×33201220223² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 33201220195 and 33201220204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33201220229) 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, 10565336 + ... + 10568477.

It is an arithmetic number, because the mean of its divisors is an integer number (8305588902).

Almost surely, 2^33201220223 is an apocalyptic number.

33201220223 is a deficient number, since it is larger than the sum of its proper divisors (21135385).

33201220223 is a wasteful number, since it uses less digits than its factorization.

33201220223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21135384.

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 33201220223 its reverse (32202210233), we get a palindrome (65403430456).

The spelling of 33201220223 in words is "thirty-three billion, two hundred one million, two hundred twenty thousand, two hundred twenty-three".