20032003212 has 48 divisors (see below), whose sum is σ = 51960609792. Its totient is φ = 5964863040.

The previous prime is 20032003171. The next prime is 20032003237. The reversal of 20032003212 is 21230023002.

It is a junction number, because it is equal to n+sod(n) for n = 20032003191 and 20032003200.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2066298 + ... + 2075969.

It is an arithmetic number, because the mean of its divisors is an integer number (1082512704).

Almost surely, 2^20032003212 is an apocalyptic number.

It is an amenable number.

20032003212 is an abundant number, since it is smaller than the sum of its proper divisors (31928606580).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20032003212 is a wasteful number, since it uses less digits than its factorization.

20032003212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4142318 (or 4142316 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

Adding to 20032003212 its reverse (21230023002), we get a palindrome (41262026214).

The spelling of 20032003212 in words is "twenty billion, thirty-two million, three thousand, two hundred twelve".