2146348820 has 72 divisors (see below), whose sum is σ = 5662148352. Its totient is φ = 668986560.

The previous prime is 2146348807. The next prime is 2146348823. The reversal of 2146348820 is 288436412.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2146348823) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 46412 + ... + 80291.

Almost surely, 2^2146348820 is an apocalyptic number.

2146348820 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2146348820 is an abundant number, since it is smaller than the sum of its proper divisors (3515799532).

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

2146348820 is a wasteful number, since it uses less digits than its factorization.

2146348820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126741 (or 126728 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 38.

The square root of 2146348820 is about 46328.7040613052. The cubic root of 2146348820 is about 1289.9318554633.

The spelling of 2146348820 in words is "two billion, one hundred forty-six million, three hundred forty-eight thousand, eight hundred twenty".