20011000102210 has 16 divisors (see below), whose sum is σ = 38790554044536. Its totient is φ = 7388676960768.

The previous prime is 20011000102151. The next prime is 20011000102231. The reversal of 20011000102210 is 1220100011002.

It can be written as a sum of positive squares in 4 ways, for example, as 5176539590401 + 14834460511809 = 2275201^2 + 3851553^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

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, 76965384879 + ... + 76965385138.

Almost surely, 2^{20011000102210} is an apocalyptic number.

20011000102210 is a deficient number, since it is larger than the sum of its proper divisors (18779553942326).

20011000102210 is a wasteful number, since it uses less digits than its factorization.

20011000102210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153930770037.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 20011000102210 its reverse (1220100011002), we get a palindrome (21231100113212).

The spelling of 20011000102210 in words is "twenty trillion, eleven billion, one hundred two thousand, two hundred ten".