620106331 has 8 divisors (see below), whose sum is σ = 707089824. Its totient is φ = 538734720.

The previous prime is 620106317. The next prime is 620106349. The reversal of 620106331 is 133601026.

620106331 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 620106331 - 2¹¹ = 620104283 is a prime.

It is a super-2 number, since 2×620106331² = 769063723492563122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (620106301) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1402735 + ... + 1403176.

It is an arithmetic number, because the mean of its divisors is an integer number (88386228).

Almost surely, 2^620106331 is an apocalyptic number.

620106331 is a deficient number, since it is larger than the sum of its proper divisors (86983493).

620106331 is a wasteful number, since it uses less digits than its factorization.

620106331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2805941.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 620106331 is about 24901.9342823002. The cubic root of 620106331 is about 852.7506421253.

Adding to 620106331 its reverse (133601026), we get a palindrome (753707357).

The spelling of 620106331 in words is "six hundred twenty million, one hundred six thousand, three hundred thirty-one".