20204020000 has 60 divisors (see below), whose sum is σ = 49704969006. Its totient is φ = 8081600000.

The previous prime is 20204019967. The next prime is 20204020013. The reversal of 20204020000 is 2040202.

It is a happy number.

It can be written as a sum of positive squares in 5 ways, for example, as 3077586576 + 17126433424 = 55476^2 + 130868^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 485101 + ... + 525100.

Almost surely, 2^20204020000 is an apocalyptic number.

20204020000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20204020000 is an abundant number, since it is smaller than the sum of its proper divisors (29500949006).

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

20204020000 is an equidigital number, since it uses as much as digits as its factorization.

20204020000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1010231 (or 1010208 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 10.

Adding to 20204020000 its reverse (2040202), we get a palindrome (20206060202).

The spelling of 20204020000 in words is "twenty billion, two hundred four million, twenty thousand".