620135227 has 4 divisors (see below), whose sum is σ = 627985120. Its totient is φ = 612285336.

The previous prime is 620135213. The next prime is 620135233. The reversal of 620135227 is 722531026.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 620135227 - 2⁷ = 620135099 is a prime.

It is a super-3 number, since 3×620135227³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 620135195 and 620135204.

It is not an unprimeable number, because it can be changed into a prime (620135237) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3924828 + ... + 3924985.

It is an arithmetic number, because the mean of its divisors is an integer number (156996280).

Almost surely, 2^620135227 is an apocalyptic number.

620135227 is a deficient number, since it is larger than the sum of its proper divisors (7849893).

620135227 is an equidigital number, since it uses as much as digits as its factorization.

620135227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7849892.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 620135227 is about 24902.5144714344. The cubic root of 620135227 is about 852.7638875418.

The spelling of 620135227 in words is "six hundred twenty million, one hundred thirty-five thousand, two hundred twenty-seven".