20108802266 has 16 divisors (see below), whose sum is σ = 36286560960. Its totient is φ = 8164476000.

The previous prime is 20108802253. The next prime is 20108802281. The reversal of 20108802266 is 66220880102.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37798235 + ... + 37798766.

It is an arithmetic number, because the mean of its divisors is an integer number (2267910060).

Almost surely, 2^20108802266 is an apocalyptic number.

20108802266 is a deficient number, since it is larger than the sum of its proper divisors (16177758694).

20108802266 is a wasteful number, since it uses less digits than its factorization.

20108802266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75597029.

The product of its (nonzero) digits is 18432, while the sum is 35.

The spelling of 20108802266 in words is "twenty billion, one hundred eight million, eight hundred two thousand, two hundred sixty-six".