20033232012 has 42 divisors (see below), whose sum is σ = 52563196308. Its totient is φ = 6677743032.

The previous prime is 20033231993. The next prime is 20033232019. The reversal of 20033232012 is 21023233002.

It is a happy number.

20033232012 is a `hidden beast` number, since 2 + 0 + 0 + 332 + 320 + 12 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (20033232019) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 3432138 + ... + 3437969.

It is an arithmetic number, because the mean of its divisors is an integer number (1251504674).

Almost surely, 2^20033232012 is an apocalyptic number.

It is an amenable number.

20033232012 is an abundant number, since it is smaller than the sum of its proper divisors (32529964296).

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

20033232012 is an equidigital number, since it uses as much as digits as its factorization.

20033232012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6870129 (or 6870112 counting only the distinct ones).

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

Adding to 20033232012 its reverse (21023233002), we get a palindrome (41056465014).

The spelling of 20033232012 in words is "twenty billion, thirty-three million, two hundred thirty-two thousand, twelve".