20310282038 has 4 divisors (see below), whose sum is σ = 30465423060. Its totient is φ = 10155141018.

The previous prime is 20310281923. The next prime is 20310282061. The reversal of 20310282038 is 83028201302.

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

It is a self number, because there is not a number n which added to its sum of digits gives 20310282038.

It is a congruent number.

It is an unprimeable number.

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, 5077570508 + ... + 5077570511.

It is an arithmetic number, because the mean of its divisors is an integer number (7616355765).

Almost surely, 2^20310282038 is an apocalyptic number.

20310282038 is a deficient number, since it is larger than the sum of its proper divisors (10155141022).

20310282038 is a wasteful number, since it uses less digits than its factorization.

20310282038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10155141021.

The product of its (nonzero) digits is 4608, while the sum is 29.

The spelling of 20310282038 in words is "twenty billion, three hundred ten million, two hundred eighty-two thousand, thirty-eight".