20221032310100 has 18 divisors (see below), whose sum is σ = 43879640113134. Its totient is φ = 8088412924000.

The previous prime is 20221032310091. The next prime is 20221032310117. The reversal of 20221032310100 is 101323012202.

It can be written as a sum of positive squares in 3 ways, for example, as 324829323844 + 19896202986256 = 569938^2 + 4460516^2 .

It is a super-2 number, since 2×20221032310100² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

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 5 ways as a sum of consecutive naturals, for example, 101105161451 + ... + 101105161650.

It is an arithmetic number, because the mean of its divisors is an integer number (2437757784063).

Almost surely, 2^{20221032310100} is an apocalyptic number.

20221032310100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20221032310100 is an abundant number, since it is smaller than the sum of its proper divisors (23658607803034).

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

20221032310100 is a wasteful number, since it uses less digits than its factorization.

20221032310100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202210323115 (or 202210323108 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 20221032310100 its reverse (101323012202), we get a palindrome (20322355322302).

The spelling of 20221032310100 in words is "twenty trillion, two hundred twenty-one billion, thirty-two million, three hundred ten thousand, one hundred".