20026646442260 has 24 divisors (see below), whose sum is σ = 42683658390240. Its totient is φ = 7891096508064.

The previous prime is 20026646442233. The next prime is 20026646442269. The reversal of 20026646442260 is 6224464662002.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20026646442269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7472627930 + ... + 7472630609.

It is an arithmetic number, because the mean of its divisors is an integer number (1778485766260).

Almost surely, 2^{20026646442260} is an apocalyptic number.

20026646442260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20026646442260 is an abundant number, since it is smaller than the sum of its proper divisors (22657011947980).

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

20026646442260 is a wasteful number, since it uses less digits than its factorization.

20026646442260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14945258615 (or 14945258613 counting only the distinct ones).

The product of its (nonzero) digits is 1327104, while the sum is 44.

The spelling of 20026646442260 in words is "twenty trillion, twenty-six billion, six hundred forty-six million, four hundred forty-two thousand, two hundred sixty".