10220117755 has 4 divisors (see below), whose sum is σ = 12264141312. Its totient is φ = 8176094200.

The previous prime is 10220117731. The next prime is 10220117773. The reversal of 10220117755 is 55771102201.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 10220117755 - 2¹³ = 10220109563 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian 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, 1022011771 + ... + 1022011780.

It is an arithmetic number, because the mean of its divisors is an integer number (3066035328).

Almost surely, 2^10220117755 is an apocalyptic number.

10220117755 is a deficient number, since it is larger than the sum of its proper divisors (2044023557).

10220117755 is an equidigital number, since it uses as much as digits as its factorization.

10220117755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2044023556.

The product of its (nonzero) digits is 4900, while the sum is 31.

Adding to 10220117755 its reverse (55771102201), we get a palindrome (65991219956).

The spelling of 10220117755 in words is "ten billion, two hundred twenty million, one hundred seventeen thousand, seven hundred fifty-five".