20323212003 has 24 divisors (see below), whose sum is σ = 32718488400. Its totient is φ = 12080669184.

The previous prime is 20323212001. The next prime is 20323212017. The reversal of 20323212003 is 30021232302.

It is a happy number.

It is not a de Polignac number, because 20323212003 - 2¹ = 20323212001 is a prime.

It is a super-2 number, since 2×20323212003² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20323212001) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3492658 + ... + 3498471.

It is an arithmetic number, because the mean of its divisors is an integer number (1363270350).

Almost surely, 2^20323212003 is an apocalyptic number.

20323212003 is a deficient number, since it is larger than the sum of its proper divisors (12395276397).

20323212003 is a wasteful number, since it uses less digits than its factorization.

20323212003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6991171 (or 6991168 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 20323212003 its reverse (30021232302), we get a palindrome (50344444305).

The spelling of 20323212003 in words is "twenty billion, three hundred twenty-three million, two hundred twelve thousand, three".