12202002020 has 48 divisors (see below), whose sum is σ = 28047715248. Its totient is φ = 4431490560.

The previous prime is 12202002013. The next prime is 12202002023. The reversal of 12202002020 is 2020020221.

It can be written as a sum of positive squares in 8 ways, for example, as 3243758116 + 8958243904 = 56954^2 + 94648^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12202001992 and 12202002010.

It is not an unprimeable number, because it can be changed into a prime (12202002023) 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, 368819 + ... + 400538.

It is an arithmetic number, because the mean of its divisors is an integer number (584327401).

Almost surely, 2^12202002020 is an apocalyptic number.

12202002020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12202002020 is an abundant number, since it is smaller than the sum of its proper divisors (15845713228).

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

12202002020 is a wasteful number, since it uses less digits than its factorization.

12202002020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 769440 (or 769438 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 11.

Adding to 12202002020 its reverse (2020020221), we get a palindrome (14222022241).

The spelling of 12202002020 in words is "twelve billion, two hundred two million, two thousand, twenty".