2194246920 has 128 divisors (see below), whose sum is σ = 7230643200. Its totient is φ = 530221824.

The previous prime is 2194246909. The next prime is 2194246931. The reversal of 2194246920 is 296424912.

It is an interprime number because it is at equal distance from previous prime (2194246909) and next prime (2194246931).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31519 + ... + 73361.

It is an arithmetic number, because the mean of its divisors is an integer number (56489400).

Almost surely, 2^2194246920 is an apocalyptic number.

2194246920 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 2194246920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3615321600).

2194246920 is an abundant number, since it is smaller than the sum of its proper divisors (5036396280).

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

2194246920 is a wasteful number, since it uses less digits than its factorization.

2194246920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41899 (or 41895 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 39.

The square root of 2194246920 is about 46842.7894130996. The cubic root of 2194246920 is about 1299.4567592168.

The spelling of 2194246920 in words is "two billion, one hundred ninety-four million, two hundred forty-six thousand, nine hundred twenty".