20200212220 has 48 divisors (see below), whose sum is σ = 43497715968. Its totient is φ = 7877237760.

The previous prime is 20200212199. The next prime is 20200212229. The reversal of 20200212220 is 2221200202.

It is a self number, because there is not a number n which added to its sum of digits gives 20200212220.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20200212229) 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 15 ways as a sum of consecutive naturals, for example, 64597 + ... + 211123.

It is an arithmetic number, because the mean of its divisors is an integer number (906202416).

Almost surely, 2^20200212220 is an apocalyptic number.

20200212220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20200212220 is an abundant number, since it is smaller than the sum of its proper divisors (23297503748).

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

20200212220 is a wasteful number, since it uses less digits than its factorization.

20200212220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146710 (or 146708 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 13.

Adding to 20200212220 its reverse (2221200202), we get a palindrome (22421412422).

The spelling of 20200212220 in words is "twenty billion, two hundred million, two hundred twelve thousand, two hundred twenty".