20130102102 has 32 divisors (see below), whose sum is σ = 46231816320. Its totient is φ = 5778976320.

The previous prime is 20130102049. The next prime is 20130102103. The reversal of 20130102102 is 20120103102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20130102103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8025103 + ... + 8027610.

It is an arithmetic number, because the mean of its divisors is an integer number (1444744260).

Almost surely, 2^20130102102 is an apocalyptic number.

20130102102 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20130102102 is an abundant number, since it is smaller than the sum of its proper divisors (26101714218).

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

20130102102 is a wasteful number, since it uses less digits than its factorization.

20130102102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16052748.

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 20130102102 its reverse (20120103102), we get a palindrome (40250205204).

The spelling of 20130102102 in words is "twenty billion, one hundred thirty million, one hundred two thousand, one hundred two".