20200440220 has 24 divisors (see below), whose sum is σ = 42424251408. Its totient is φ = 8079542400.

The previous prime is 20200440199. The next prime is 20200440223. The reversal of 20200440220 is 2204400202.

It is a junction number, because it is equal to n+sod(n) for n = 20200440194 and 20200440203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20200440223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 287800 + ... + 351040.

It is an arithmetic number, because the mean of its divisors is an integer number (1767677142).

Almost surely, 2^20200440220 is an apocalyptic number.

20200440220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20200440220 is an abundant number, since it is smaller than the sum of its proper divisors (22223811188).

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

20200440220 is a wasteful number, since it uses less digits than its factorization.

20200440220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79221 (or 79219 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 16.

Adding to 20200440220 its reverse (2204400202), we get a palindrome (22404840422).

The spelling of 20200440220 in words is "twenty billion, two hundred million, four hundred forty thousand, two hundred twenty".