620302841 has 4 divisors (see below), whose sum is σ = 623768400. Its totient is φ = 616837284.

The previous prime is 620302811. The next prime is 620302849. The reversal of 620302841 is 148203026.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 620302841 - 2¹⁸ = 620040697 is a prime.

It is a super-2 number, since 2×620302841² = 769551229105342562, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 620302841.

It is not an unprimeable number, because it can be changed into a prime (620302849) 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, 1732511 + ... + 1732868.

It is an arithmetic number, because the mean of its divisors is an integer number (155942100).

Almost surely, 2^620302841 is an apocalyptic number.

It is an amenable number.

620302841 is a deficient number, since it is larger than the sum of its proper divisors (3465559).

620302841 is a wasteful number, since it uses less digits than its factorization.

620302841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3465558.

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 620302841 is about 24905.8796471837. The cubic root of 620302841 is about 852.8407107271.

Adding to 620302841 its reverse (148203026), we get a palindrome (768505867).

The spelling of 620302841 in words is "six hundred twenty million, three hundred two thousand, eight hundred forty-one".