20030012032 has 16 divisors (see below), whose sum is σ = 39903539850. Its totient is φ = 10015005952.

The previous prime is 20030011997. The next prime is 20030012053. The reversal of 20030012032 is 23021003002.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 19696438336 + 333573696 = 140344^2 + 18264^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78242107 + ... + 78242362.

Almost surely, 2^20030012032 is an apocalyptic number.

It is an amenable number.

20030012032 is a deficient number, since it is larger than the sum of its proper divisors (19873527818).

20030012032 is an equidigital number, since it uses as much as digits as its factorization.

20030012032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156484483 (or 156484471 counting only the distinct ones).

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

Adding to 20030012032 its reverse (23021003002), we get a palindrome (43051015034).

The spelling of 20030012032 in words is "twenty billion, thirty million, twelve thousand, thirty-two".