620110020 has 48 divisors (see below), whose sum is σ = 1838446848. Its totient is φ = 155635200.

The previous prime is 620110013. The next prime is 620110031. The reversal of 620110020 is 20011026.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 620109978 and 620110005.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 302956 + ... + 304995.

It is an arithmetic number, because the mean of its divisors is an integer number (38300976).

Almost surely, 2^620110020 is an apocalyptic number.

620110020 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

620110020 is an abundant number, since it is smaller than the sum of its proper divisors (1218336828).

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

620110020 is a wasteful number, since it uses less digits than its factorization.

620110020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 607980 (or 607978 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 620110020 is about 24902.0083527414. The cubic root of 620110020 is about 852.7523331208.

Adding to 620110020 its reverse (20011026), we get a palindrome (640121046).

The spelling of 620110020 in words is "six hundred twenty million, one hundred ten thousand, twenty".