20426648803 has 8 divisors (see below), whose sum is σ = 22757736960. Its totient is φ = 18174580680.

The previous prime is 20426648791. The next prime is 20426648813. The reversal of 20426648803 is 30884662402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20426648803 - 2²⁹ = 19889777891 is a prime.

It is a super-2 number, since 2×20426648803² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20426648803.

It is not an unprimeable number, because it can be changed into a prime (20426648813) 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 in 7 ways as a sum of consecutive naturals, for example, 19754463 + ... + 19755496.

It is an arithmetic number, because the mean of its divisors is an integer number (2844717120).

Almost surely, 2^20426648803 is an apocalyptic number.

20426648803 is a deficient number, since it is larger than the sum of its proper divisors (2331088157).

20426648803 is a wasteful number, since it uses less digits than its factorization.

20426648803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39510017.

The product of its (nonzero) digits is 442368, while the sum is 43.

The spelling of 20426648803 in words is "twenty billion, four hundred twenty-six million, six hundred forty-eight thousand, eight hundred three".