20102220022210 has 8 divisors (see below), whose sum is σ = 36183996039996. Its totient is φ = 8040888008880.

The previous prime is 20102220022187. The next prime is 20102220022249. The reversal of 20102220022210 is 1222002220102.

It can be written as a sum of positive squares in 2 ways, for example, as 18695583697921 + 1406636324289 = 4323839^2 + 1186017^2 .

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

It is a super-2 number, since 2×20102220022210² (a number of 27 digits) contains 22 as substring.

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, 1005111001101 + ... + 1005111001120.

Almost surely, 2^{20102220022210} is an apocalyptic number.

20102220022210 is a deficient number, since it is larger than the sum of its proper divisors (16081776017786).

20102220022210 is a wasteful number, since it uses less digits than its factorization.

20102220022210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2010222002228.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 20102220022210 its reverse (1222002220102), we get a palindrome (21324222242312).

The spelling of 20102220022210 in words is "twenty trillion, one hundred two billion, two hundred twenty million, twenty-two thousand, two hundred ten".