20210220020000 has 60 divisors (see below), whose sum is σ = 49720172831406. Its totient is φ = 8084088000000.

The previous prime is 20210220019991. The next prime is 20210220020033. The reversal of 20210220020000 is 2002201202.

It can be written as a sum of positive squares in 5 ways, for example, as 366010480144 + 19844209539856 = 604988^2 + 4454684^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 505235501 + ... + 505275500.

Almost surely, 2^{20210220020000} is an apocalyptic number.

20210220020000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20210220020000 is an abundant number, since it is smaller than the sum of its proper divisors (29509952811406).

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

20210220020000 is an equidigital number, since it uses as much as digits as its factorization.

20210220020000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1010511031 (or 1010511008 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 11.

Adding to 20210220020000 its reverse (2002201202), we get a palindrome (20212222221202).

The spelling of 20210220020000 in words is "twenty trillion, two hundred ten billion, two hundred twenty million, twenty thousand".