2006563770 has 48 divisors (see below), whose sum is σ = 5227201512. Its totient is φ = 534044160.

The previous prime is 2006563763. The next prime is 2006563841. The reversal of 2006563770 is 773656002.

It is a happy number.

2006563770 is a `hidden beast` number, since 20 + 0 + 6 + 563 + 7 + 70 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 1435879449 + 570684321 = 37893^2 + 23889^2 .

It is a super-2 number, since 2×2006563770² = 8052596326153225800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25494 + ... + 68286.

Almost surely, 2^2006563770 is an apocalyptic number.

2006563770 is an abundant number, since it is smaller than the sum of its proper divisors (3220637742).

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

2006563770 is a wasteful number, since it uses less digits than its factorization.

2006563770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43327 (or 43324 counting only the distinct ones).

The product of its (nonzero) digits is 52920, while the sum is 36.

The square root of 2006563770 is about 44794.6846177088. The cubic root of 2006563770 is about 1261.2978501564.

The spelling of 2006563770 in words is "two billion, six million, five hundred sixty-three thousand, seven hundred seventy".