620132443 has 12 divisors (see below), whose sum is σ = 752867152. Its totient is φ = 500273280.

The previous prime is 620132441. The next prime is 620132459. The reversal of 620132443 is 344231026.

It is not a de Polignac number, because 620132443 - 2¹ = 620132441 is a prime.

It is a super-2 number, since 2×620132443² = 769128493722296498, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (620132441) 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 11 ways as a sum of consecutive naturals, for example, 151248 + ... + 155293.

Almost surely, 2^620132443 is an apocalyptic number.

620132443 is a deficient number, since it is larger than the sum of its proper divisors (132734709).

620132443 is a wasteful number, since it uses less digits than its factorization.

620132443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306582 (or 306565 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 620132443 is about 24902.4585734019. The cubic root of 620132443 is about 852.7626114233.

Adding to 620132443 its reverse (344231026), we get a palindrome (964363469).

The spelling of 620132443 in words is "six hundred twenty million, one hundred thirty-two thousand, four hundred forty-three".