620701470720 has 624 divisors, whose sum is σ = 2246304033792. Its totient is φ = 164401643520.

The previous prime is 620701470707. The next prime is 620701470731. The reversal of 620701470720 is 27074107026.

It is a happy number.

620701470720 is a `hidden beast` number, since 620 + 7 + 0 + 1 + 4 + 7 + 0 + 7 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 950537914 + ... + 950538566.

It is an arithmetic number, because the mean of its divisors is an integer number (3599846208).

Almost surely, 2^620701470720 is an apocalyptic number.

620701470720 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 620701470720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1123152016896).

620701470720 is an abundant number, since it is smaller than the sum of its proper divisors (1625602563072).

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

620701470720 is an equidigital number, since it uses as much as digits as its factorization.

620701470720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 888 (or 854 counting only the distinct ones).

The product of its (nonzero) digits is 32928, while the sum is 36.

Adding to 620701470720 its reverse (27074107026), we get a palindrome (647775577746).

The spelling of 620701470720 in words is "six hundred twenty billion, seven hundred one million, four hundred seventy thousand, seven hundred twenty".