620435120000 has 320 divisors, whose sum is σ = 1696609411200. Its totient is φ = 224877312000.

The previous prime is 620435119991. The next prime is 620435120029. The reversal of 620435120000 is 21534026.

It is a tau number, because it is divible by the number of its divisors (320).

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 34951127 + ... + 34968873.

It is an arithmetic number, because the mean of its divisors is an integer number (5301904410).

Almost surely, 2^620435120000 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 620435120000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (848304705600).

620435120000 is an abundant number, since it is smaller than the sum of its proper divisors (1076174291200).

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

620435120000 is a wasteful number, since it uses less digits than its factorization.

620435120000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17823 (or 17796 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

Adding to 620435120000 its reverse (21534026), we get a palindrome (620456654026).

The spelling of 620435120000 in words is "six hundred twenty billion, four hundred thirty-five million, one hundred twenty thousand".