20440210033 has 8 divisors (see below), whose sum is σ = 21010378752. Its totient is φ = 19870974576.

The previous prime is 20440209991. The next prime is 20440210057. The reversal of 20440210033 is 33001204402.

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

It is a cyclic number.

It is not a de Polignac number, because 20440210033 - 2²⁵ = 20406655601 is a prime.

It is a super-2 number, since 2×20440210033² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20440270033) 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, 188785 + ... + 276622.

It is an arithmetic number, because the mean of its divisors is an integer number (2626297344).

Almost surely, 2^20440210033 is an apocalyptic number.

It is an amenable number.

20440210033 is a deficient number, since it is larger than the sum of its proper divisors (570168719).

20440210033 is a wasteful number, since it uses less digits than its factorization.

20440210033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 466631.

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 20440210033 its reverse (33001204402), we get a palindrome (53441414435).

The spelling of 20440210033 in words is "twenty billion, four hundred forty million, two hundred ten thousand, thirty-three".