620203340 has 12 divisors (see below), whose sum is σ = 1302427056. Its totient is φ = 248081328.

The previous prime is 620203321. The next prime is 620203343. The reversal of 620203340 is 43302026.

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 31010167 = 620203340 / (6 + 2 + 0 + 2 + 0 + 3 + 3 + 4 + 0).

It is not an unprimeable number, because it can be changed into a prime (620203343) 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, 15505064 + ... + 15505103.

It is an arithmetic number, because the mean of its divisors is an integer number (108535588).

Almost surely, 2^620203340 is an apocalyptic number.

It is an amenable number.

620203340 is an abundant number, since it is smaller than the sum of its proper divisors (682223716).

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

620203340 is a wasteful number, since it uses less digits than its factorization.

620203340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31010176 (or 31010174 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 620203340 is about 24903.8820267042. The cubic root of 620203340 is about 852.7951077111.

Adding to 620203340 its reverse (43302026), we get a palindrome (663505366).

The spelling of 620203340 in words is "six hundred twenty million, two hundred three thousand, three hundred forty".