2820214243 has 64 divisors (see below), whose sum is σ = 3795517440. Its totient is φ = 2031120000.

The previous prime is 2820214223. The next prime is 2820214279. The reversal of 2820214243 is 3424120282.

It is not a de Polignac number, because 2820214243 - 2⁹ = 2820213731 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2820214223) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 9068058 + ... + 9068368.

It is an arithmetic number, because the mean of its divisors is an integer number (59304960).

Almost surely, 2^2820214243 is an apocalyptic number.

2820214243 is a deficient number, since it is larger than the sum of its proper divisors (975303197).

2820214243 is a wasteful number, since it uses less digits than its factorization.

2820214243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 520.

The product of its (nonzero) digits is 6144, while the sum is 28.

The square root of 2820214243 is about 53105.6893656414. The cubic root of 2820214243 is about 1412.8434217362.

The spelling of 2820214243 in words is "two billion, eight hundred twenty million, two hundred fourteen thousand, two hundred forty-three".