2820038217 has 16 divisors (see below), whose sum is σ = 3994054272. Its totient is φ = 1763736320.

The previous prime is 2820038189. The next prime is 2820038267. The reversal of 2820038217 is 7128300282.

It is a cyclic number.

It is not a de Polignac number, because 2820038217 - 2¹⁵ = 2820005449 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2820038267) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73038 + ... + 104759.

It is an arithmetic number, because the mean of its divisors is an integer number (249628392).

Almost surely, 2^2820038217 is an apocalyptic number.

It is an amenable number.

2820038217 is a deficient number, since it is larger than the sum of its proper divisors (1174016055).

2820038217 is a wasteful number, since it uses less digits than its factorization.

2820038217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178128.

The product of its (nonzero) digits is 10752, while the sum is 33.

The square root of 2820038217 is about 53104.0320220602. The cubic root of 2820038217 is about 1412.8140265285.

Adding to 2820038217 its reverse (7128300282), we get a palindrome (9948338499).

The spelling of 2820038217 in words is "two billion, eight hundred twenty million, thirty-eight thousand, two hundred seventeen".