20102102020310 has 64 divisors (see below), whose sum is σ = 40444232472000. Its totient is φ = 7148998766592.

The previous prime is 20102102020283. The next prime is 20102102020381. The reversal of 20102102020310 is 1302020120102.

It is a happy number.

It is a super-2 number, since 2×20102102020310² (a number of 27 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7789007 + ... + 10043546.

It is an arithmetic number, because the mean of its divisors is an integer number (631941132375).

Almost surely, 2^{20102102020310} is an apocalyptic number.

20102102020310 is an abundant number, since it is smaller than the sum of its proper divisors (20342130451690).

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

20102102020310 is a wasteful number, since it uses less digits than its factorization.

20102102020310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17832945.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 20102102020310 its reverse (1302020120102), we get a palindrome (21404122140412).

The spelling of 20102102020310 in words is "twenty trillion, one hundred two billion, one hundred two million, twenty thousand, three hundred ten".