20301426056 has 16 divisors (see below), whose sum is σ = 38072964300. Its totient is φ = 10148635584.

The previous prime is 20301426037. The next prime is 20301426059. The reversal of 20301426056 is 65062410302.

It can be written as a sum of positive squares in 2 ways, for example, as 20217996100 + 83429956 = 142190^2 + 9134^2 .

It is not an unprimeable number, because it can be changed into a prime (20301426059) 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, 217751 + ... + 296678.

Almost surely, 2^20301426056 is an apocalyptic number.

It is an amenable number.

20301426056 is a deficient number, since it is larger than the sum of its proper divisors (17771538244).

20301426056 is a wasteful number, since it uses less digits than its factorization.

20301426056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 519368 (or 519364 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 29.

Adding to 20301426056 its reverse (65062410302), we get a palindrome (85363836358).

The spelling of 20301426056 in words is "twenty billion, three hundred one million, four hundred twenty-six thousand, fifty-six".