620112660 has 96 divisors (see below), whose sum is σ = 1821802752. Its totient is φ = 157301760.

The previous prime is 620112653. The next prime is 620112707. The reversal of 620112660 is 66211026.

It is a super-2 number, since 2×620112660² = 769079422184551200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 620112660.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 270720 + ... + 273000.

It is an arithmetic number, because the mean of its divisors is an integer number (18977112).

Almost surely, 2^620112660 is an apocalyptic number.

620112660 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 620112660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (910901376).

620112660 is an abundant number, since it is smaller than the sum of its proper divisors (1201690092).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

620112660 is a wasteful number, since it uses less digits than its factorization.

620112660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2513 (or 2511 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 620112660 is about 24902.0613604577. The cubic root of 620112660 is about 852.7535432625.

Adding to 620112660 its reverse (66211026), we get a palindrome (686323686).

The spelling of 620112660 in words is "six hundred twenty million, one hundred twelve thousand, six hundred sixty".