20010022210100 has 36 divisors (see below), whose sum is σ = 46761882675564. Its totient is φ = 7388315892480.

The previous prime is 20010022210049. The next prime is 20010022210109. The reversal of 20010022210100 is 101222001002.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 8538808671376 + 11471213538724 = 2922124^2 + 3386918^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20010022210109) 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 11 ways as a sum of consecutive naturals, for example, 7696161089 + ... + 7696163688.

Almost surely, 2^{20010022210100} is an apocalyptic number.

20010022210100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20010022210100 is an abundant number, since it is smaller than the sum of its proper divisors (26751860465464).

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

20010022210100 is a wasteful number, since it uses less digits than its factorization.

20010022210100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15392324804 (or 15392324797 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 20010022210100 its reverse (101222001002), we get a palindrome (20111244211102).

The spelling of 20010022210100 in words is "twenty trillion, ten billion, twenty-two million, two hundred ten thousand, one hundred".