705220220000 has 120 divisors (see below), whose sum is σ = 1736011342296. Its totient is φ = 281915136000.

The previous prime is 705220219973. The next prime is 705220220017. The reversal of 705220220000 is 22022507.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 35530079 + ... + 35549921.

Almost surely, 2^705220220000 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 705220220000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (868005671148).

705220220000 is an abundant number, since it is smaller than the sum of its proper divisors (1030791122296).

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

705220220000 is a wasteful number, since it uses less digits than its factorization.

705220220000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21650 (or 21627 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 20.

Adding to 705220220000 its reverse (22022507), we get a palindrome (705242242507).

The spelling of 705220220000 in words is "seven hundred five billion, two hundred twenty million, two hundred twenty thousand".