20090606930 has 16 divisors (see below), whose sum is σ = 36188783640. Its totient is φ = 8030533632.

The previous prime is 20090606911. The next prime is 20090606971. The reversal of 20090606930 is 3960609002.

It can be written as a sum of positive squares in 4 ways, for example, as 15819853729 + 4270753201 = 125777^2 + 65351^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 698849 + ... + 727028.

Almost surely, 2^20090606930 is an apocalyptic number.

20090606930 is a deficient number, since it is larger than the sum of its proper divisors (16098176710).

20090606930 is a wasteful number, since it uses less digits than its factorization.

20090606930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1427293.

The product of its (nonzero) digits is 17496, while the sum is 35.

The spelling of 20090606930 in words is "twenty billion, ninety million, six hundred six thousand, nine hundred thirty".