620207231 has 8 divisors (see below), whose sum is σ = 709669920. Its totient is φ = 530959968.

The previous prime is 620207227. The next prime is 620207267. The reversal of 620207231 is 132702026.

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

It is not a de Polignac number, because 620207231 - 2² = 620207227 is a prime.

It is a super-2 number, since 2×620207231² = 769314018769374722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 620207197 and 620207206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (620207201) 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, 47636 + ... + 59241.

It is an arithmetic number, because the mean of its divisors is an integer number (88708740).

Almost surely, 2^620207231 is an apocalyptic number.

620207231 is a deficient number, since it is larger than the sum of its proper divisors (89462689).

620207231 is a wasteful number, since it uses less digits than its factorization.

620207231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107713.

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 620207231 is about 24903.9601469325. The cubic root of 620207231 is about 852.7968911148.

Adding to 620207231 its reverse (132702026), we get a palindrome (752909257).

The spelling of 620207231 in words is "six hundred twenty million, two hundred seven thousand, two hundred thirty-one".