20008426650 has 24 divisors (see below), whose sum is σ = 49620898464. Its totient is φ = 5335580400.

The previous prime is 20008426649. The next prime is 20008426703. The reversal of 20008426650 is 5662480002.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 66694606 + ... + 66694905.

It is an arithmetic number, because the mean of its divisors is an integer number (2067537436).

Almost surely, 2^20008426650 is an apocalyptic number.

20008426650 is an abundant number, since it is smaller than the sum of its proper divisors (29612471814).

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

20008426650 is a wasteful number, since it uses less digits than its factorization.

20008426650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133389526 (or 133389521 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 33.

The spelling of 20008426650 in words is "twenty billion, eight million, four hundred twenty-six thousand, six hundred fifty".