20102012130 has 64 divisors (see below), whose sum is σ = 49203054720. Its totient is φ = 5254588416.

The previous prime is 20102012129. The next prime is 20102012131. The reversal of 20102012130 is 3121020102.

It is an interprime number because it is at equal distance from previous prime (20102012129) and next prime (20102012131).

It is not an unprimeable number, because it can be changed into a prime (20102012131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 608724 + ... + 640896.

It is an arithmetic number, because the mean of its divisors is an integer number (768797730).

Almost surely, 2^20102012130 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20102012130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24601527360).

20102012130 is an abundant number, since it is smaller than the sum of its proper divisors (29101042590).

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

20102012130 is a wasteful number, since it uses less digits than its factorization.

20102012130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32595.

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

Adding to 20102012130 its reverse (3121020102), we get a palindrome (23223032232).

The spelling of 20102012130 in words is "twenty billion, one hundred two million, twelve thousand, one hundred thirty".