2020440221 has 16 divisors (see below), whose sum is σ = 2290851840. Its totient is φ = 1771806960.

The previous prime is 2020440209. The next prime is 2020440239. The reversal of 2020440221 is 1220440202.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2020440221 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2020440221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2020440251) 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, 61025 + ... + 88118.

It is an arithmetic number, because the mean of its divisors is an integer number (143178240).

Almost surely, 2^2020440221 is an apocalyptic number.

It is an amenable number.

2020440221 is a deficient number, since it is larger than the sum of its proper divisors (270411619).

2020440221 is a wasteful number, since it uses less digits than its factorization.

2020440221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149216.

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 2020440221 is about 44949.3072360409. The cubic root of 2020440221 is about 1264.1986876302.

Adding to 2020440221 its reverse (1220440202), we get a palindrome (3240880423).

The spelling of 2020440221 in words is "two billion, twenty million, four hundred forty thousand, two hundred twenty-one".