20002033012 has 24 divisors (see below), whose sum is σ = 37793082600. Its totient is φ = 9207966336.

The previous prime is 20002033003. The next prime is 20002033013. The reversal of 20002033012 is 21033020002.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 97337956 + 19904695056 = 9866^2 + 141084^2 .

It is a super-2 number, since 2×20002033012² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a junction number, because it is equal to n+sod(n) for n = 20002032983 and 20002033001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20002033013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 474187 + ... + 514642.

It is an arithmetic number, because the mean of its divisors is an integer number (1574711775).

Almost surely, 2^20002033012 is an apocalyptic number.

It is an amenable number.

20002033012 is a deficient number, since it is larger than the sum of its proper divisors (17791049588).

20002033012 is a wasteful number, since it uses less digits than its factorization.

20002033012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 989235 (or 989233 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 13.

Adding to 20002033012 its reverse (21033020002), we get a palindrome (41035053014).

The spelling of 20002033012 in words is "twenty billion, two million, thirty-three thousand, twelve".