20103212302 has 4 divisors (see below), whose sum is σ = 30154818456. Its totient is φ = 10051606150.

The previous prime is 20103212191. The next prime is 20103212309. The reversal of 20103212302 is 20321230102.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20103212309) by changing a digit.

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 as a sum of consecutive naturals, namely, 5025803074 + ... + 5025803077.

It is an arithmetic number, because the mean of its divisors is an integer number (7538704614).

Almost surely, 2^20103212302 is an apocalyptic number.

20103212302 is a deficient number, since it is larger than the sum of its proper divisors (10051606154).

20103212302 is a wasteful number, since it uses less digits than its factorization.

20103212302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10051606153.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 20103212302 its reverse (20321230102), we get a palindrome (40424442404).

The spelling of 20103212302 in words is "twenty billion, one hundred three million, two hundred twelve thousand, three hundred two".