620650036 has 12 divisors (see below), whose sum is σ = 1087313220. Its totient is φ = 309989120.

The previous prime is 620650027. The next prime is 620650057. The reversal of 620650036 is 630056026.

It can be written as a sum of positive squares in 2 ways, for example, as 58675600 + 561974436 = 7660^2 + 23706^2 .

It is a junction number, because it is equal to n+sod(n) for n = 620649986 and 620650013.

It is a congruent number.

It is an unprimeable number.

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, 79795 + ... + 87226.

It is an arithmetic number, because the mean of its divisors is an integer number (90609435).

Almost surely, 2^620650036 is an apocalyptic number.

It is an amenable number.

620650036 is a deficient number, since it is larger than the sum of its proper divisors (466663184).

620650036 is a wasteful number, since it uses less digits than its factorization.

620650036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167954 (or 167952 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 28.

The square root of 620650036 is about 24912.8488134135. The cubic root of 620650036 is about 852.9997979684. Note that the first 3 decimals are identical.

The spelling of 620650036 in words is "six hundred twenty million, six hundred fifty thousand, thirty-six".