20220021010000 has 150 divisors (see below), whose sum is σ = 56947297164450. Its totient is φ = 6932578464000.

The previous prime is 20220021009983. The next prime is 20220021010037. The reversal of 20220021010000 is 1012002202.

It can be written as a sum of positive squares in 5 ways, for example, as 9590517084736 + 10629503925264 = 3096856^2 + 3260292^2 .

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 20142675 + ... + 21122674.

It is an arithmetic number, because the mean of its divisors is an integer number (379648647763).

Almost surely, 2^{20220021010000} is an apocalyptic number.

20220021010000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20220021010000 is an abundant number, since it is smaller than the sum of its proper divisors (36727276154450).

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

20220021010000 is an equidigital number, since it uses as much as digits as its factorization.

20220021010000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41265391 (or 41265363 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 20220021010000 its reverse (1012002202), we get a palindrome (20221033012202).

The spelling of 20220021010000 in words is "twenty trillion, two hundred twenty billion, twenty-one million, ten thousand".