620224136 has 16 divisors (see below), whose sum is σ = 1329051840. Its totient is φ = 265810320.

The previous prime is 620224069. The next prime is 620224169. The reversal of 620224136 is 631422026.

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, 5537660 + ... + 5537771.

It is an arithmetic number, because the mean of its divisors is an integer number (83065740).

Almost surely, 2^620224136 is an apocalyptic number.

It is an amenable number.

620224136 is an abundant number, since it is smaller than the sum of its proper divisors (708827704).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

620224136 is a wasteful number, since it uses less digits than its factorization.

620224136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11075444 (or 11075440 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 620224136 is about 24904.2995484715. The cubic root of 620224136 is about 852.8046392779.

The spelling of 620224136 in words is "six hundred twenty million, two hundred twenty-four thousand, one hundred thirty-six".