20202020000 has 240 divisors, whose sum is σ = 51251025672. Its totient is φ = 7833600000.

The previous prime is 20202019993. The next prime is 20202020053. The reversal of 20202020000 is 2020202.

It can be written as a sum of positive squares in 20 ways, for example, as 1828759696 + 18373260304 = 42764^2 + 135548^2 .

It is a super-2 number, since 2×20202020000² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (8).

It is a self number, because there is not a number n which added to its sum of digits gives 20202020000.

It is an unprimeable number.

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 39 ways as a sum of consecutive naturals, for example, 147459932 + ... + 147460068.

Almost surely, 2^20202020000 is an apocalyptic number.

20202020000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20202020000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25625512836).

20202020000 is an abundant number, since it is smaller than the sum of its proper divisors (31049005672).

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

20202020000 is a wasteful number, since it uses less digits than its factorization.

20202020000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 341 (or 318 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 8.

Adding to 20202020000 its reverse (2020202), we get a palindrome (20204040202).

20202020000 divided by its reverse (2020202) gives a 4-th power (10000 = 10⁴).

The spelling of 20202020000 in words is "twenty billion, two hundred two million, twenty thousand".