20426600650 has 24 divisors (see below), whose sum is σ = 38002617900. Its totient is φ = 8168674560.

The previous prime is 20426600603. The next prime is 20426600653. The reversal of 20426600650 is 5600662402.

It can be written as a sum of positive squares in 6 ways, for example, as 6342370321 + 14084230329 = 79639^2 + 118677^2 .

It is a super-2 number, since 2×20426600650² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20426600653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 170482 + ... + 264418.

Almost surely, 2^20426600650 is an apocalyptic number.

20426600650 is a deficient number, since it is larger than the sum of its proper divisors (17576017250).

20426600650 is a wasteful number, since it uses less digits than its factorization.

20426600650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98298 (or 98293 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 31.

The spelling of 20426600650 in words is "twenty billion, four hundred twenty-six million, six hundred thousand, six hundred fifty".