18301920282 has 48 divisors (see below), whose sum is σ = 41997894120. Its totient is φ = 5740256256.

The previous prime is 18301920281. The next prime is 18301920289. The reversal of 18301920282 is 28202910381.

It can be written as a sum of positive squares in 4 ways, for example, as 13080268161 + 5221652121 = 114369^2 + 72261^2 .

It is not an unprimeable number, because it can be changed into a prime (18301920281) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1884094 + ... + 1893782.

Almost surely, 2^18301920282 is an apocalyptic number.

18301920282 is an abundant number, since it is smaller than the sum of its proper divisors (23695973838).

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

18301920282 is a wasteful number, since it uses less digits than its factorization.

18301920282 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15887 (or 15884 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

Subtracting 18301920282 from its reverse (28202910381), we obtain a palindrome (9900990099).

The spelling of 18301920282 in words is "eighteen billion, three hundred one million, nine hundred twenty thousand, two hundred eighty-two".