20214442220 has 48 divisors (see below), whose sum is σ = 48525583680. Its totient is φ = 6929105664.

The previous prime is 20214442219. The next prime is 20214442243. The reversal of 20214442220 is 2224441202.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 729662 + ... + 756858.

It is an arithmetic number, because the mean of its divisors is an integer number (1010949660).

Almost surely, 2^20214442220 is an apocalyptic number.

20214442220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20214442220 is an abundant number, since it is smaller than the sum of its proper divisors (28311141460).

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

20214442220 is a wasteful number, since it uses less digits than its factorization.

20214442220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32522 (or 32520 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 23.

Adding to 20214442220 its reverse (2224441202), we get a palindrome (22438883422).

The spelling of 20214442220 in words is "twenty billion, two hundred fourteen million, four hundred forty-two thousand, two hundred twenty".