620730052800 has 1344 divisors, whose sum is σ = 2487008821248. Its totient is φ = 133539840000.

The previous prime is 620730052777. The next prime is 620730052897. The reversal of 620730052800 is 8250037026.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 2290516665 + ... + 2290516935.

It is an arithmetic number, because the mean of its divisors is an integer number (1850452992).

Almost surely, 2^620730052800 is an apocalyptic number.

620730052800 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 620730052800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1243504410624).

620730052800 is an abundant number, since it is smaller than the sum of its proper divisors (1866278768448).

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

620730052800 is a wasteful number, since it uses less digits than its factorization.

620730052800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 438 (or 423 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 33.

Adding to 620730052800 its reverse (8250037026), we get a palindrome (628980089826).

The spelling of 620730052800 in words is "six hundred twenty billion, seven hundred thirty million, fifty-two thousand, eight hundred".