620426211 has 4 divisors (see below), whose sum is σ = 827234952. Its totient is φ = 413617472.

The previous prime is 620426207. The next prime is 620426239. The reversal of 620426211 is 112624026.

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 620426211 - 2² = 620426207 is a prime.

It is not an unprimeable number, because it can be changed into a prime (620426291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 103404366 + ... + 103404371.

It is an arithmetic number, because the mean of its divisors is an integer number (206808738).

Almost surely, 2^620426211 is an apocalyptic number.

620426211 is a deficient number, since it is larger than the sum of its proper divisors (206808741).

620426211 is a wasteful number, since it uses less digits than its factorization.

620426211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206808740.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 620426211 is about 24908.3562484561. The cubic root of 620426211 is about 852.8972465443.

The spelling of 620426211 in words is "six hundred twenty million, four hundred twenty-six thousand, two hundred eleven".