220020262836 has 192 divisors, whose sum is σ = 580995072000. Its totient is φ = 64232663040.

The previous prime is 220020262831. The next prime is 220020262837. The reversal of 220020262836 is 638262020022.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 220020262797 and 220020262806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220020262831) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 110064165 + ... + 110066163.

It is an arithmetic number, because the mean of its divisors is an integer number (3026016000).

Almost surely, 2^220020262836 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 220020262836, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (290497536000).

220020262836 is an abundant number, since it is smaller than the sum of its proper divisors (360974809164).

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

220020262836 is a wasteful number, since it uses less digits than its factorization.

220020262836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2334 (or 2332 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 33.

Adding to 220020262836 its reverse (638262020022), we get a palindrome (858282282858).

The spelling of 220020262836 in words is "two hundred twenty billion, twenty million, two hundred sixty-two thousand, eight hundred thirty-six".