20221000000202 has 16 divisors (see below), whose sum is σ = 30828925418472. Its totient is φ = 9944693545920.

The previous prime is 20221000000193. The next prime is 20221000000207. The reversal of 20221000000202 is 20200000012202.

It can be written as a sum of positive squares in 4 ways, for example, as 18306067116481 + 1914932883721 = 4278559^2 + 1383811^2 .

It is not an unprimeable number, because it can be changed into a prime (20221000000207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24788828 + ... + 25591560.

Almost surely, 2^{20221000000202} is an apocalyptic number.

20221000000202 is a deficient number, since it is larger than the sum of its proper divisors (10607925418270).

20221000000202 is a wasteful number, since it uses less digits than its factorization.

20221000000202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1009273.

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

Adding to 20221000000202 its reverse (20200000012202), we get a palindrome (40421000012404).

The spelling of 20221000000202 in words is "twenty trillion, two hundred twenty-one billion, two hundred two", and thus it is an aban number.