2200641920 has 64 divisors (see below), whose sum is σ = 5269209840. Its totient is φ = 878868480.

The previous prime is 2200641901. The next prime is 2200641923. The reversal of 2200641920 is 291460022.

It is a Cunningham number, because it is equal to 46911²-1.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×2200641920² = 9685649720122572800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2200641920.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2200641923) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 466775 + ... + 471465.

Almost surely, 2^2200641920 is an apocalyptic number.

2200641920 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 2200641920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2634604920).

2200641920 is an abundant number, since it is smaller than the sum of its proper divisors (3068567920).

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

2200641920 is an equidigital number, since it uses as much as digits as its factorization.

2200641920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5443 (or 5431 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 2200641920 is about 46910.9999893415. Note that the first 4 decimals coincide. The cubic root of 2200641920 is about 1300.7179308626.

The spelling of 2200641920 in words is "two billion, two hundred million, six hundred forty-one thousand, nine hundred twenty".