620130211 has 2 divisors, whose sum is σ = 620130212. Its totient is φ = 620130210.

The previous prime is 620130187. The next prime is 620130223. The reversal of 620130211 is 112031026.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 620130211 - 2¹¹ = 620128163 is a prime.

It is a super-2 number, since 2×620130211² = 769122957189809042, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (620130271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 310065105 + 310065106.

It is an arithmetic number, because the mean of its divisors is an integer number (310065106).

Almost surely, 2^620130211 is an apocalyptic number.

620130211 is a deficient number, since it is larger than the sum of its proper divisors (1).

620130211 is an equidigital number, since it uses as much as digits as its factorization.

620130211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 620130211 is about 24902.4137585094. The cubic root of 620130211 is about 852.7615883254.

Adding to 620130211 its reverse (112031026), we get a palindrome (732161237).

The spelling of 620130211 in words is "six hundred twenty million, one hundred thirty thousand, two hundred eleven".