20110221082 has 8 divisors (see below), whose sum is σ = 34474664736. Its totient is φ = 8618666172.

The previous prime is 20110221059. The next prime is 20110221083. The reversal of 20110221082 is 28012201102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (20110221083) 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 3 ways as a sum of consecutive naturals, for example, 718222168 + ... + 718222195.

It is an arithmetic number, because the mean of its divisors is an integer number (4309333092).

Almost surely, 2^20110221082 is an apocalyptic number.

20110221082 is a deficient number, since it is larger than the sum of its proper divisors (14364443654).

20110221082 is a wasteful number, since it uses less digits than its factorization.

20110221082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1436444372.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 20110221082 its reverse (28012201102), we get a palindrome (48122422184).

The spelling of 20110221082 in words is "twenty billion, one hundred ten million, two hundred twenty-one thousand, eighty-two".