100220036775 has 24 divisors (see below), whose sum is σ = 166384697424. Its totient is φ = 53228889600.

The previous prime is 100220036771. The next prime is 100220036821. The reversal of 100220036775 is 577630022001.

It is not a de Polignac number, because 100220036775 - 2² = 100220036771 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100220036771) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2754264 + ... + 2790413.

It is an arithmetic number, because the mean of its divisors is an integer number (6932695726).

Almost surely, 2^100220036775 is an apocalyptic number.

100220036775 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

100220036775 is a deficient number, since it is larger than the sum of its proper divisors (66164660649).

100220036775 is a wasteful number, since it uses less digits than its factorization.

100220036775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5544931 (or 5544926 counting only the distinct ones).

The product of its (nonzero) digits is 17640, while the sum is 33.

Adding to 100220036775 its reverse (577630022001), we get a palindrome (677850058776).

The spelling of 100220036775 in words is "one hundred billion, two hundred twenty million, thirty-six thousand, seven hundred seventy-five".