20110232033 has 4 divisors (see below), whose sum is σ = 20803688340. Its totient is φ = 19416775728.

The previous prime is 20110232027. The next prime is 20110232041. The reversal of 20110232033 is 33023201102.

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

It can be written as a sum of positive squares in 2 ways, for example, as 14998411024 + 5111821009 = 122468^2 + 71497^2 .

It is a cyclic number.

It is not a de Polignac number, because 20110232033 - 2⁸ = 20110231777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20110232533) 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, 346728110 + ... + 346728167.

It is an arithmetic number, because the mean of its divisors is an integer number (5200922085).

Almost surely, 2^20110232033 is an apocalyptic number.

It is an amenable number.

20110232033 is a deficient number, since it is larger than the sum of its proper divisors (693456307).

20110232033 is an equidigital number, since it uses as much as digits as its factorization.

20110232033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 693456306.

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

Adding to 20110232033 its reverse (33023201102), we get a palindrome (53133433135).

The spelling of 20110232033 in words is "twenty billion, one hundred ten million, two hundred thirty-two thousand, thirty-three".