20033220012 has 48 divisors (see below), whose sum is σ = 50351488992. Its totient is φ = 6162647040.

The previous prime is 20033220007. The next prime is 20033220017. The reversal of 20033220012 is 21002233002.

It is an interprime number because it is at equal distance from previous prime (20033220007) and next prime (20033220017).

It is a junction number, because it is equal to n+sod(n) for n = 20033219973 and 20033220000.

It is not an unprimeable number, because it can be changed into a prime (20033220017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 811678 + ... + 835994.

It is an arithmetic number, because the mean of its divisors is an integer number (1048989354).

Almost surely, 2^20033220012 is an apocalyptic number.

It is an amenable number.

20033220012 is an abundant number, since it is smaller than the sum of its proper divisors (30318268980).

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

20033220012 is a wasteful number, since it uses less digits than its factorization.

20033220012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29618 (or 29616 counting only the distinct ones).

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

Adding to 20033220012 its reverse (21002233002), we get a palindrome (41035453014).

The spelling of 20033220012 in words is "twenty billion, thirty-three million, two hundred twenty thousand, twelve".