20302111112 has 16 divisors (see below), whose sum is σ = 38494172700. Its totient is φ = 10036998400.

The previous prime is 20302111033. The next prime is 20302111133. The reversal of 20302111112 is 21111120302.

It can be written as a sum of positive squares in 2 ways, for example, as 19640901316 + 661209796 = 140146^2 + 25714^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14256389 + ... + 14257812.

Almost surely, 2^20302111112 is an apocalyptic number.

It is an amenable number.

20302111112 is a deficient number, since it is larger than the sum of its proper divisors (18192061588).

20302111112 is a wasteful number, since it uses less digits than its factorization.

20302111112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28514296 (or 28514292 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 20302111112 its reverse (21111120302), we get a palindrome (41413231414).

The spelling of 20302111112 in words is "twenty billion, three hundred two million, one hundred eleven thousand, one hundred twelve".