20426261060 has 24 divisors (see below), whose sum is σ = 43032206616. Its totient is φ = 8144398080.

The previous prime is 20426260993. The next prime is 20426261069. The reversal of 20426261060 is 6016262402.

It can be written as a sum of positive squares in 4 ways, for example, as 2500800064 + 17925460996 = 50008^2 + 133886^2 .

It is not an unprimeable number, because it can be changed into a prime (20426261069) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1625231 + ... + 1637750.

It is an arithmetic number, because the mean of its divisors is an integer number (1793008609).

Almost surely, 2^20426261060 is an apocalyptic number.

20426261060 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20426261060 is an abundant number, since it is smaller than the sum of its proper divisors (22605945556).

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

20426261060 is a wasteful number, since it uses less digits than its factorization.

20426261060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3263303 (or 3263301 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 29.

The spelling of 20426261060 in words is "twenty billion, four hundred twenty-six million, two hundred sixty-one thousand, sixty".