620011002 has 96 divisors (see below), whose sum is σ = 1430194752. Its totient is φ = 178080768.

The previous prime is 620010991. The next prime is 620011019. The reversal of 620011002 is 200110026.

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, 2731213 + ... + 2731439.

It is an arithmetic number, because the mean of its divisors is an integer number (14897862).

Almost surely, 2^620011002 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 620011002, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (715097376).

620011002 is an abundant number, since it is smaller than the sum of its proper divisors (810183750).

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

620011002 is a wasteful number, since it uses less digits than its factorization.

620011002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 380 (or 361 counting only the distinct ones).

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

The square root of 620011002 is about 24900.0201204738. The cubic root of 620011002 is about 852.7069420759.

Adding to 620011002 its reverse (200110026), we get a palindrome (820121028).

The spelling of 620011002 in words is "six hundred twenty million, eleven thousand, two".