100220020988 has 12 divisors (see below), whose sum is σ = 175387376472. Its totient is φ = 50109342000.

The previous prime is 100220020963. The next prime is 100220021023. The reversal of 100220020988 is 889020022001.

100220020988 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×100220020988² (a number of 23 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 3 ways as a sum of consecutive naturals, for example, 343631 + ... + 564377.

It is an arithmetic number, because the mean of its divisors is an integer number (14615614706).

Almost surely, 2^100220020988 is an apocalyptic number.

It is an amenable number.

100220020988 is a deficient number, since it is larger than the sum of its proper divisors (75167355484).

100220020988 is a wasteful number, since it uses less digits than its factorization.

100220020988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334252 (or 334250 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 32.

Adding to 100220020988 its reverse (889020022001), we get a palindrome (989240042989).

The spelling of 100220020988 in words is "one hundred billion, two hundred twenty million, twenty thousand, nine hundred eighty-eight".