20010231033 has 16 divisors (see below), whose sum is σ = 28737473856. Its totient is φ = 12311916480.

The previous prime is 20010231011. The next prime is 20010231041. The reversal of 20010231033 is 33013201002.

It is not a de Polignac number, because 20010231033 - 2¹⁸ = 20009968889 is a prime.

It is a super-3 number, since 3×20010231033³ (a number of 32 digits) contains 333 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20010231133) 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 15 ways as a sum of consecutive naturals, for example, 210466 + ... + 290372.

It is an arithmetic number, because the mean of its divisors is an integer number (1796092116).

Almost surely, 2^20010231033 is an apocalyptic number.

It is an amenable number.

20010231033 is a deficient number, since it is larger than the sum of its proper divisors (8727242823).

20010231033 is a wasteful number, since it uses less digits than its factorization.

20010231033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86344.

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 20010231033 its reverse (33013201002), we get a palindrome (53023432035).

The spelling of 20010231033 in words is "twenty billion, ten million, two hundred thirty-one thousand, thirty-three".