620033146 has 8 divisors (see below), whose sum is σ = 984758580. Its totient is φ = 291780288.

The previous prime is 620033107. The next prime is 620033153. The reversal of 620033146 is 641330026.

It can be written as a sum of positive squares in 2 ways, for example, as 518245225 + 101787921 = 22765^2 + 10089^2 .

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

It is a super-2 number, since 2×620033146² = 768882204277314632, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 620033146.

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, 9118101 + ... + 9118168.

Almost surely, 2^620033146 is an apocalyptic number.

620033146 is a deficient number, since it is larger than the sum of its proper divisors (364725434).

620033146 is a wasteful number, since it uses less digits than its factorization.

620033146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18236288.

The product of its (nonzero) digits is 2592, while the sum is 25.

The square root of 620033146 is about 24900.4647747788. The cubic root of 620033146 is about 852.7170935720.

The spelling of 620033146 in words is "six hundred twenty million, thirty-three thousand, one hundred forty-six".