20330223011 has 8 divisors (see below), whose sum is σ = 23235631104. Its totient is φ = 17425087560.

The previous prime is 20330222993. The next prime is 20330223031. The reversal of 20330223011 is 11032203302.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20330223011 is a prime.

It is a super-2 number, since 2×20330223011² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20330223031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 130076 + ... + 239958.

It is an arithmetic number, because the mean of its divisors is an integer number (2904453888).

Almost surely, 2^20330223011 is an apocalyptic number.

20330223011 is a deficient number, since it is larger than the sum of its proper divisors (2905408093).

20330223011 is a wasteful number, since it uses less digits than its factorization.

20330223011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136321.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 20330223011 its reverse (11032203302), we get a palindrome (31362426313).

The spelling of 20330223011 in words is "twenty billion, three hundred thirty million, two hundred twenty-three thousand, eleven".