2020000440 has 32 divisors (see below), whose sum is σ = 6060001680. Its totient is φ = 538666752.

The previous prime is 2020000439. The next prime is 2020000441. The reversal of 2020000440 is 440000202.

It is an interprime number because it is at equal distance from previous prime (2020000439) and next prime (2020000441).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2020000441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8416549 + ... + 8416788.

Almost surely, 2^2020000440 is an apocalyptic number.

2020000440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2020000440 is an abundant number, since it is smaller than the sum of its proper divisors (4040001240).

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

2020000440 is a wasteful number, since it uses less digits than its factorization.

2020000440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16833351 (or 16833347 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 12.

The square root of 2020000440 is about 44944.4150034240. The cubic root of 2020000440 is about 1264.1069566466.

Adding to 2020000440 its reverse (440000202), we get a palindrome (2460000642).

The spelling of 2020000440 in words is "two billion, twenty million, four hundred forty", and thus it is an aban number.