2065602630 has 256 divisors, whose sum is σ = 6474940416. Its totient is φ = 409812480.

The previous prime is 2065602601. The next prime is 2065602641. The reversal of 2065602630 is 362065602.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 4206685 + ... + 4207175.

It is an arithmetic number, because the mean of its divisors is an integer number (25292736).

Almost surely, 2^2065602630 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2065602630, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3237470208).

2065602630 is an abundant number, since it is smaller than the sum of its proper divisors (4409337786).

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

2065602630 is a wasteful number, since it uses less digits than its factorization.

2065602630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 611.

The product of its (nonzero) digits is 12960, while the sum is 30.

The square root of 2065602630 is about 45448.9013068523. The cubic root of 2065602630 is about 1273.5488048661.

The spelling of 2065602630 in words is "two billion, sixty-five million, six hundred two thousand, six hundred thirty".