20260863122 has 4 divisors (see below), whose sum is σ = 30391294686. Its totient is φ = 10130431560.

The previous prime is 20260863121. The next prime is 20260863131. The reversal of 20260863122 is 22136806202.

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

It can be written as a sum of positive squares in only one way, i.e., 16509423121 + 3751440001 = 128489^2 + 61249^2 .

It is not an unprimeable number, because it can be changed into a prime (20260863121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5065215779 + ... + 5065215782.

Almost surely, 2^20260863122 is an apocalyptic number.

20260863122 is a deficient number, since it is larger than the sum of its proper divisors (10130431564).

20260863122 is a wasteful number, since it uses less digits than its factorization.

20260863122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10130431563.

The product of its (nonzero) digits is 13824, while the sum is 32.

The spelling of 20260863122 in words is "twenty billion, two hundred sixty million, eight hundred sixty-three thousand, one hundred twenty-two".