20102110202120 has 32 divisors (see below), whose sum is σ = 45231779747520. Its totient is φ = 8040482873280.

The previous prime is 20102110202117. The next prime is 20102110202159. The reversal of 20102110202120 is 2120201120102.

It is a junction number, because it is equal to n+sod(n) for n = 20102110202095 and 20102110202104.

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, 10385276 + ... + 12167915.

It is an arithmetic number, because the mean of its divisors is an integer number (1413493117110).

Almost surely, 2^{20102110202120} is an apocalyptic number.

20102110202120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20102110202120 is an abundant number, since it is smaller than the sum of its proper divisors (25129669545400).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20102110202120 is a wasteful number, since it uses less digits than its factorization.

20102110202120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22575485 (or 22575481 counting only the distinct ones).

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

Adding to 20102110202120 its reverse (2120201120102), we get a palindrome (22222311322222).

The spelling of 20102110202120 in words is "twenty trillion, one hundred two billion, one hundred ten million, two hundred two thousand, one hundred twenty".