20032403012 has 24 divisors (see below), whose sum is σ = 36617989632. Its totient is φ = 9571003200.

The previous prime is 20032403011. The next prime is 20032403047. The reversal of 20032403012 is 21030423002.

It is not an unprimeable number, because it can be changed into a prime (20032403011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18689 + ... + 201032.

It is an arithmetic number, because the mean of its divisors is an integer number (1525749568).

Almost surely, 2^20032403012 is an apocalyptic number.

It is an amenable number.

20032403012 is a deficient number, since it is larger than the sum of its proper divisors (16585586620).

20032403012 is a wasteful number, since it uses less digits than its factorization.

20032403012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220739 (or 220737 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 20032403012 its reverse (21030423002), we get a palindrome (41062826014).

The spelling of 20032403012 in words is "twenty billion, thirty-two million, four hundred three thousand, twelve".