2005069830 has 32 divisors (see below), whose sum is σ = 4878093024. Its totient is φ = 527360256.

The previous prime is 2005069823. The next prime is 2005069841. The reversal of 2005069830 is 389605002.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2005069791 and 2005069800.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 455589 + ... + 459968.

It is an arithmetic number, because the mean of its divisors is an integer number (152440407).

Almost surely, 2^2005069830 is an apocalyptic number.

2005069830 is an abundant number, since it is smaller than the sum of its proper divisors (2873023194).

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

2005069830 is a wasteful number, since it uses less digits than its factorization.

2005069830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 915640.

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 2005069830 is about 44778.0060967435. The cubic root of 2005069830 is about 1260.9847491942.

The spelling of 2005069830 in words is "two billion, five million, sixty-nine thousand, eight hundred thirty".