20012031010033 has 4 divisors (see below), whose sum is σ = 20139496175860. Its totient is φ = 19884565844208.

The previous prime is 20012031010007. The next prime is 20012031010073. The reversal of 20012031010033 is 33001013021002.

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 8630739347344 + 11381291662689 = 2937812^2 + 3373617^2 .

It is a cyclic number.

It is not a de Polignac number, because 20012031010033 - 2¹³ = 20012031001841 is a prime.

It is a super-3 number, since 3×20012031010033³ (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20012031009989 and 20012031010016.

It is not an unprimeable number, because it can be changed into a prime (20012031010073) 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, 63732582678 + ... + 63732582991.

It is an arithmetic number, because the mean of its divisors is an integer number (5034874043965).

Almost surely, 2^{20012031010033} is an apocalyptic number.

It is an amenable number.

20012031010033 is a deficient number, since it is larger than the sum of its proper divisors (127465165827).

20012031010033 is a wasteful number, since it uses less digits than its factorization.

20012031010033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127465165826.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 20012031010033 its reverse (33001013021002), we get a palindrome (53013044031035).

The spelling of 20012031010033 in words is "twenty trillion, twelve billion, thirty-one million, ten thousand, thirty-three".