620644202 has 8 divisors (see below), whose sum is σ = 938073312. Its totient is φ = 307953100.

The previous prime is 620644201. The next prime is 620644207. The reversal of 620644202 is 202446026.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (620644201) 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, 1184174 + ... + 1184697.

It is an arithmetic number, because the mean of its divisors is an integer number (117259164).

Almost surely, 2^620644202 is an apocalyptic number.

620644202 is a deficient number, since it is larger than the sum of its proper divisors (317429110).

620644202 is a wasteful number, since it uses less digits than its factorization.

620644202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2369004.

The product of its (nonzero) digits is 4608, while the sum is 26.

The square root of 620644202 is about 24912.7317249634. The cubic root of 620644202 is about 852.9971252778.

It can be divided in two parts, 62064 and 4202, that added together give a palindrome (66266).

The spelling of 620644202 in words is "six hundred twenty million, six hundred forty-four thousand, two hundred two".