620207651210831 has 8 divisors (see below), whose sum is σ = 636208580009184. Its totient is φ = 604248337313280.

The previous prime is 620207651210809. The next prime is 620207651210843. The reversal of 620207651210831 is 138012156702026.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-620207651210831 is a prime.

It is a super-2 number, since 2×620207651210831² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (620207651213831) 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, 10403695010 + ... + 10403754623.

It is an arithmetic number, because the mean of its divisors is an integer number (79526072501148).

Almost surely, 2^{620207651210831} is an apocalyptic number.

620207651210831 is a deficient number, since it is larger than the sum of its proper divisors (16000928798353).

620207651210831 is a wasteful number, since it uses less digits than its factorization.

620207651210831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20807450401.

The product of its (nonzero) digits is 241920, while the sum is 44.

The spelling of 620207651210831 in words is "six hundred twenty trillion, two hundred seven billion, six hundred fifty-one million, two hundred ten thousand, eight hundred thirty-one".