20102102122010 has 16 divisors (see below), whose sum is σ = 36619733023776. Its totient is φ = 7943963247888.

The previous prime is 20102102122009. The next prime is 20102102122027. The reversal of 20102102122010 is 1022120120102.

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, 12109699244 + ... + 12109700903.

It is an arithmetic number, because the mean of its divisors is an integer number (2288733313986).

Almost surely, 2^{20102102122010} is an apocalyptic number.

20102102122010 is a deficient number, since it is larger than the sum of its proper divisors (16517630901766).

20102102122010 is a wasteful number, since it uses less digits than its factorization.

20102102122010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24219400237.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 20102102122010 its reverse (1022120120102), we get a palindrome (21124222242112).

The spelling of 20102102122010 in words is "twenty trillion, one hundred two billion, one hundred two million, one hundred twenty-two thousand, ten".