20010222105 has 16 divisors (see below), whose sum is σ = 32018488704. Its totient is φ = 10671407360.

The previous prime is 20010222083. The next prime is 20010222109. The reversal of 20010222105 is 50122201002.

It is not a de Polignac number, because 20010222105 - 2⁵ = 20010222073 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (20010222109) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 251932 + ... + 321698.

It is an arithmetic number, because the mean of its divisors is an integer number (2001155544).

Almost surely, 2^20010222105 is an apocalyptic number.

It is an amenable number.

20010222105 is a deficient number, since it is larger than the sum of its proper divisors (12008266599).

20010222105 is a wasteful number, since it uses less digits than its factorization.

20010222105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88896.

The product of its (nonzero) digits is 80, while the sum is 15.

Adding to 20010222105 its reverse (50122201002), we get a palindrome (70132423107).

The spelling of 20010222105 in words is "twenty billion, ten million, two hundred twenty-two thousand, one hundred five".