100220073637 has 2 divisors, whose sum is σ = 100220073638. Its totient is φ = 100220073636.

The previous prime is 100220073617. The next prime is 100220073713. The reversal of 100220073637 is 736370022001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 52335255361 + 47884818276 = 228769^2 + 218826^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100220073637 is a prime.

It is a super-4 number, since 4×100220073637⁴ (a number of 45 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 100220073599 and 100220073608.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100220073617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50110036818 + 50110036819.

It is an arithmetic number, because the mean of its divisors is an integer number (50110036819).

Almost surely, 2^100220073637 is an apocalyptic number.

It is an amenable number.

100220073637 is a deficient number, since it is larger than the sum of its proper divisors (1).

100220073637 is an equidigital number, since it uses as much as digits as its factorization.

100220073637 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10584, while the sum is 31.

Adding to 100220073637 its reverse (736370022001), we get a palindrome (836590095638).

The spelling of 100220073637 in words is "one hundred billion, two hundred twenty million, seventy-three thousand, six hundred thirty-seven".