20201200220 has 36 divisors (see below), whose sum is σ = 43835174712. Its totient is φ = 7819812000.

The previous prime is 20201200207. The next prime is 20201200223. The reversal of 20201200220 is 2200210202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20201200223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 506306 + ... + 544745.

It is an arithmetic number, because the mean of its divisors is an integer number (1217643742).

Almost surely, 2^20201200220 is an apocalyptic number.

20201200220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20201200220 is an abundant number, since it is smaller than the sum of its proper divisors (23633974492).

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

20201200220 is a wasteful number, since it uses less digits than its factorization.

20201200220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1051122 (or 1051089 counting only the distinct ones).

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

Adding to 20201200220 its reverse (2200210202), we get a palindrome (22401410422).

The spelling of 20201200220 in words is "twenty billion, two hundred one million, two hundred thousand, two hundred twenty".