20220426020 has 12 divisors (see below), whose sum is σ = 42462894684. Its totient is φ = 8088170400.

The previous prime is 20220425989. The next prime is 20220426067. The reversal of 20220426020 is 2062402202.

It can be written as a sum of positive squares in 2 ways, for example, as 14776347364 + 5444078656 = 121558^2 + 73784^2 .

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 1011021301 = 20220426020 / (2 + 0 + 2 + 2 + 0 + 4 + 2 + 6 + 0 + 2 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 20220425983 and 20220426001.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 505510631 + ... + 505510670.

It is an arithmetic number, because the mean of its divisors is an integer number (3538574557).

Almost surely, 2^20220426020 is an apocalyptic number.

20220426020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20220426020 is an abundant number, since it is smaller than the sum of its proper divisors (22242468664).

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

20220426020 is a wasteful number, since it uses less digits than its factorization.

20220426020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1011021310 (or 1011021308 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 20220426020 its reverse (2062402202), we get a palindrome (22282828222).

The spelling of 20220426020 in words is "twenty billion, two hundred twenty million, four hundred twenty-six thousand, twenty".