2028220793 has 2 divisors, whose sum is σ = 2028220794. Its totient is φ = 2028220792.

The previous prime is 2028220771. The next prime is 2028220807. The reversal of 2028220793 is 3970228202.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2026170169 + 2050624 = 45013^2 + 1432^2 .

It is a cyclic number.

It is not a de Polignac number, because 2028220793 - 2²² = 2024026489 is a prime.

It is a super-2 number, since 2×2028220793² = 8227359170315097698, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2028229793) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1014110396 + 1014110397.

It is an arithmetic number, because the mean of its divisors is an integer number (1014110397).

Almost surely, 2^2028220793 is an apocalyptic number.

It is an amenable number.

2028220793 is a deficient number, since it is larger than the sum of its proper divisors (1).

2028220793 is an equidigital number, since it uses as much as digits as its factorization.

2028220793 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 2028220793 is about 45035.7723704168. The cubic root of 2028220793 is about 1265.8193888347.

Adding to 2028220793 its reverse (3970228202), we get a palindrome (5998448995).

The spelling of 2028220793 in words is "two billion, twenty-eight million, two hundred twenty thousand, seven hundred ninety-three".