20302103132 has 12 divisors (see below), whose sum is σ = 35586081720. Its totient is φ = 10134651216.

The previous prime is 20302103131. The next prime is 20302103147. The reversal of 20302103132 is 23130120302.

It is a self number, because there is not a number n which added to its sum of digits gives 20302103132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20302103131) 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, 4097303 + ... + 4102254.

It is an arithmetic number, because the mean of its divisors is an integer number (2965506810).

Almost surely, 2^20302103132 is an apocalyptic number.

It is an amenable number.

20302103132 is a deficient number, since it is larger than the sum of its proper divisors (15283978588).

20302103132 is a wasteful number, since it uses less digits than its factorization.

20302103132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8200180 (or 8200178 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 20302103132 its reverse (23130120302), we get a palindrome (43432223434).

The spelling of 20302103132 in words is "twenty billion, three hundred two million, one hundred three thousand, one hundred thirty-two".