12003202020 has 24 divisors (see below), whose sum is σ = 33608965824. Its totient is φ = 3200853856.

The previous prime is 12003202007. The next prime is 12003202031. The reversal of 12003202020 is 2020230021.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 12003201987 and 12003202005.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100026624 + ... + 100026743.

It is an arithmetic number, because the mean of its divisors is an integer number (1400373576).

Almost surely, 2^12003202020 is an apocalyptic number.

12003202020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12003202020 is an abundant number, since it is smaller than the sum of its proper divisors (21605763804).

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

12003202020 is a wasteful number, since it uses less digits than its factorization.

12003202020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200053379 (or 200053377 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

Adding to 12003202020 its reverse (2020230021), we get a palindrome (14023432041).

The spelling of 12003202020 in words is "twelve billion, three million, two hundred two thousand, twenty".