20104221010 has 16 divisors (see below), whose sum is σ = 36396777816. Its totient is φ = 7995203968.

The previous prime is 20104220999. The next prime is 20104221047. The reversal of 20104221010 is 1012240102.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 18262008769 + 1842212241 = 135137^2 + 42921^2 .

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, 5808739 + ... + 5812198.

Almost surely, 2^20104221010 is an apocalyptic number.

20104221010 is a deficient number, since it is larger than the sum of its proper divisors (16292556806).

20104221010 is a wasteful number, since it uses less digits than its factorization.

20104221010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11621117.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 20104221010 its reverse (1012240102), we get a palindrome (21116461112).

The spelling of 20104221010 in words is "twenty billion, one hundred four million, two hundred twenty-one thousand, ten".