2201332020 has 96 divisors (see below), whose sum is σ = 6663619200. Its totient is φ = 541085184.

The previous prime is 2201331961. The next prime is 2201332027. The reversal of 2201332020 is 202331022.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2201332027) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16086 + ... + 68274.

It is an arithmetic number, because the mean of its divisors is an integer number (69412700).

Almost surely, 2^2201332020 is an apocalyptic number.

2201332020 is a gapful number since it is divisible by the number (20) 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 2201332020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3331809600).

2201332020 is an abundant number, since it is smaller than the sum of its proper divisors (4462287180).

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

2201332020 is a wasteful number, since it uses less digits than its factorization.

2201332020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52257 (or 52255 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 2201332020 is about 46918.3548304925. The cubic root of 2201332020 is about 1300.8538808360.

Adding to 2201332020 its reverse (202331022), we get a palindrome (2403663042).

The spelling of 2201332020 in words is "two billion, two hundred one million, three hundred thirty-two thousand, twenty".