20302231126 has 4 divisors (see below), whose sum is σ = 30453346692. Its totient is φ = 10151115562.

The previous prime is 20302231067. The next prime is 20302231127. The reversal of 20302231126 is 62113220302.

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

It is a junction number, because it is equal to n+sod(n) for n = 20302231097 and 20302231106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20302231127) 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, 5075557780 + ... + 5075557783.

It is an arithmetic number, because the mean of its divisors is an integer number (7613336673).

Almost surely, 2^20302231126 is an apocalyptic number.

20302231126 is a deficient number, since it is larger than the sum of its proper divisors (10151115566).

20302231126 is a wasteful number, since it uses less digits than its factorization.

20302231126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10151115565.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 20302231126 its reverse (62113220302), we get a palindrome (82415451428).

The spelling of 20302231126 in words is "twenty billion, three hundred two million, two hundred thirty-one thousand, one hundred twenty-six".