20102102112010 has 8 divisors (see below), whose sum is σ = 36183783801636. Its totient is φ = 8040840844800.

The previous prime is 20102102111969. The next prime is 20102102112011. The reversal of 20102102112010 is 1021120120102.

It can be written as a sum of positive squares in 2 ways, for example, as 17493046935961 + 2609055176049 = 4182469^2 + 1615257^2 .

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

It is not an unprimeable number, because it can be changed into a prime (20102102112011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1005105105591 + ... + 1005105105610.

Almost surely, 2^{20102102112010} is an apocalyptic number.

20102102112010 is a deficient number, since it is larger than the sum of its proper divisors (16081681689626).

20102102112010 is a wasteful number, since it uses less digits than its factorization.

20102102112010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2010210211208.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 20102102112010 its reverse (1021120120102), we get a palindrome (21123222232112).

The spelling of 20102102112010 in words is "twenty trillion, one hundred two billion, one hundred two million, one hundred twelve thousand, ten".