2141653220 has 48 divisors (see below), whose sum is σ = 5147966208. Its totient is φ = 733138560.

The previous prime is 2141653133. The next prime is 2141653231. The reversal of 2141653220 is 223561412.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 2141653220.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80969 + ... + 104111.

It is an arithmetic number, because the mean of its divisors is an integer number (107249296).

Almost surely, 2^2141653220 is an apocalyptic number.

2141653220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2141653220 is an abundant number, since it is smaller than the sum of its proper divisors (3006312988).

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

2141653220 is a wasteful number, since it uses less digits than its factorization.

2141653220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23820 (or 23818 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 2141653220 is about 46277.9993085267. Note that the first 3 decimals coincide. The cubic root of 2141653220 is about 1288.9905008024.

The spelling of 2141653220 in words is "two billion, one hundred forty-one million, six hundred fifty-three thousand, two hundred twenty".