220108797 has 12 divisors (see below), whose sum is σ = 322291164. Its totient is φ = 144728640.

The previous prime is 220108793. The next prime is 220108807. The reversal of 220108797 is 797801022.

It can be written as a sum of positive squares in 2 ways, for example, as 62631396 + 157477401 = 7914^2 + 12549^2 .

It is not a de Polignac number, because 220108797 - 2² = 220108793 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220108793) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 166854 + ... + 168167.

It is an arithmetic number, because the mean of its divisors is an integer number (26857597).

Almost surely, 2^220108797 is an apocalyptic number.

It is an amenable number.

220108797 is a deficient number, since it is larger than the sum of its proper divisors (102182367).

220108797 is a wasteful number, since it uses less digits than its factorization.

220108797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335100 (or 335097 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 36.

The square root of 220108797 is about 14836.0640669957. The cubic root of 220108797 is about 603.7805704465.

The spelling of 220108797 in words is "two hundred twenty million, one hundred eight thousand, seven hundred ninety-seven".