20120132302103 has 4 divisors (see below), whose sum is σ = 20994920663088. Its totient is φ = 19245343941120.

The previous prime is 20120132302051. The next prime is 20120132302141. The reversal of 20120132302103 is 30120323102102.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20120132302103 - 2³⁸ = 19845254395159 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20120132302163) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 437394180458 + ... + 437394180503.

It is an arithmetic number, because the mean of its divisors is an integer number (5248730165772).

Almost surely, 2^{20120132302103} is an apocalyptic number.

20120132302103 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

20120132302103 is a deficient number, since it is larger than the sum of its proper divisors (874788360985).

20120132302103 is an equidigital number, since it uses as much as digits as its factorization.

20120132302103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 874788360984.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 20120132302103 its reverse (30120323102102), we get a palindrome (50240455404205).

The spelling of 20120132302103 in words is "twenty trillion, one hundred twenty billion, one hundred thirty-two million, three hundred two thousand, one hundred three".