2020022040 has 32 divisors (see below), whose sum is σ = 6060066480. Its totient is φ = 538672512.

The previous prime is 2020022027. The next prime is 2020022041. The reversal of 2020022040 is 402200202.

It is a happy number.

It is a super-3 number, since 3×2020022040³ (a number of 29 digits) contains 333 as substring.

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 (2020022041) 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, 8416639 + ... + 8416878.

Almost surely, 2^2020022040 is an apocalyptic number.

2020022040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2020022040 is an abundant number, since it is smaller than the sum of its proper divisors (4040044440).

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

2020022040 is a wasteful number, since it uses less digits than its factorization.

2020022040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16833531 (or 16833527 counting only the distinct ones).

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

The square root of 2020022040 is about 44944.6552996015. The cubic root of 2020022040 is about 1264.1114623573. Note that the first 3 decimals are identical.

Adding to 2020022040 its reverse (402200202), we get a palindrome (2422222242).

The spelling of 2020022040 in words is "two billion, twenty million, twenty-two thousand, forty".