20105034333 has 16 divisors (see below), whose sum is σ = 26933078016. Its totient is φ = 13340222720.

The previous prime is 20105034329. The next prime is 20105034371. The reversal of 20105034333 is 33343050102.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 20105034333 - 2² = 20105034329 is a prime.

It is a super-2 number, since 2×20105034333² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20105084333) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2272228 + ... + 2281058.

It is an arithmetic number, because the mean of its divisors is an integer number (1683317376).

Almost surely, 2^20105034333 is an apocalyptic number.

It is an amenable number.

20105034333 is a deficient number, since it is larger than the sum of its proper divisors (6828043683).

20105034333 is a wasteful number, since it uses less digits than its factorization.

20105034333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12324.

The product of its (nonzero) digits is 3240, while the sum is 24.

Adding to 20105034333 its reverse (33343050102), we get a palindrome (53448084435).

The spelling of 20105034333 in words is "twenty billion, one hundred five million, thirty-four thousand, three hundred thirty-three".