620218336 has 24 divisors (see below), whose sum is σ = 1223732664. Its totient is φ = 309429120.

The previous prime is 620218307. The next prime is 620218337. The reversal of 620218336 is 633812026.

It is a junction number, because it is equal to n+sod(n) for n = 620218298 and 620218307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (620218337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6270 + ... + 35773.

It is an arithmetic number, because the mean of its divisors is an integer number (50988861).

Almost surely, 2^620218336 is an apocalyptic number.

It is an amenable number.

620218336 is a deficient number, since it is larger than the sum of its proper divisors (603514328).

620218336 is a wasteful number, since it uses less digits than its factorization.

620218336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42514 (or 42506 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 620218336 is about 24904.1831024429. The cubic root of 620218336 is about 852.8019809474.

The spelling of 620218336 in words is "six hundred twenty million, two hundred eighteen thousand, three hundred thirty-six".