20006426260 has 96 divisors (see below), whose sum is σ = 44371660032. Its totient is φ = 7562311680.

The previous prime is 20006426227. The next prime is 20006426263. The reversal of 20006426260 is 6262460002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20006426263) 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 31 ways as a sum of consecutive naturals, for example, 28952515 + ... + 28953205.

It is an arithmetic number, because the mean of its divisors is an integer number (462204792).

Almost surely, 2^20006426260 is an apocalyptic number.

20006426260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20006426260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22185830016).

20006426260 is an abundant number, since it is smaller than the sum of its proper divisors (24365233772).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20006426260 is a wasteful number, since it uses less digits than its factorization.

20006426260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1393 (or 1391 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 20006426260 its reverse (6262460002), we get a palindrome (26268886262).

The spelling of 20006426260 in words is "twenty billion, six million, four hundred twenty-six thousand, two hundred sixty".