20503048850 has 12 divisors (see below), whose sum is σ = 38135670954. Its totient is φ = 8201219520.

The previous prime is 20503048847. The next prime is 20503048889. The reversal of 20503048850 is 5884030502.

It can be written as a sum of positive squares in 3 ways, for example, as 8727109561 + 11775939289 = 93419^2 + 108517^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 20503048850.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 205030439 + ... + 205030538.

Almost surely, 2^20503048850 is an apocalyptic number.

20503048850 is a deficient number, since it is larger than the sum of its proper divisors (17632622104).

20503048850 is a wasteful number, since it uses less digits than its factorization.

20503048850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 410060989 (or 410060984 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 35.

The spelling of 20503048850 in words is "twenty billion, five hundred three million, forty-eight thousand, eight hundred fifty".