620810002500 has 120 divisors (see below), whose sum is σ = 1818699804768. Its totient is φ = 164764320000.

The previous prime is 620810002487. The next prime is 620810002609. The reversal of 620810002500 is 5200018026.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1386352 + ... + 1778648.

Almost surely, 2^620810002500 is an apocalyptic number.

620810002500 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 620810002500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (909349902384).

620810002500 is an abundant number, since it is smaller than the sum of its proper divisors (1197889802268).

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

620810002500 is a wasteful number, since it uses less digits than its factorization.

620810002500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 392535 (or 392518 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 24.

The spelling of 620810002500 in words is "six hundred twenty billion, eight hundred ten million, two thousand, five hundred".