1772443460220 has 192 divisors, whose sum is σ = 5269477248000. Its totient is φ = 444178335744.

The previous prime is 1772443460129. The next prime is 1772443460237. The reversal of 1772443460220 is 220643442771.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 165195816 + ... + 165206544.

It is an arithmetic number, because the mean of its divisors is an integer number (27445194000).

Almost surely, 2^{1772443460220} is an apocalyptic number.

1772443460220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1772443460220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2634738624000).

1772443460220 is an abundant number, since it is smaller than the sum of its proper divisors (3497033787780).

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

1772443460220 is a wasteful number, since it uses less digits than its factorization.

1772443460220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12852 (or 12850 counting only the distinct ones).

The product of its (nonzero) digits is 451584, while the sum is 42.

The spelling of 1772443460220 in words is "one trillion, seven hundred seventy-two billion, four hundred forty-three million, four hundred sixty thousand, two hundred twenty".