20100220222 has 8 divisors (see below), whose sum is σ = 30158341200. Its totient is φ = 10047439824.

The previous prime is 20100220201. The next prime is 20100220253. The reversal of 20100220222 is 22202200102.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1325722 + ... + 1340797.

It is an arithmetic number, because the mean of its divisors is an integer number (3769792650).

Almost surely, 2^20100220222 is an apocalyptic number.

20100220222 is a deficient number, since it is larger than the sum of its proper divisors (10058120978).

20100220222 is a wasteful number, since it uses less digits than its factorization.

20100220222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2670290.

The product of its (nonzero) digits is 64, while the sum is 13.

Adding to 20100220222 its reverse (22202200102), we get a palindrome (42302420324).

The spelling of 20100220222 in words is "twenty billion, one hundred million, two hundred twenty thousand, two hundred twenty-two".