20304545210 has 32 divisors (see below), whose sum is σ = 37966973184. Its totient is φ = 7812112000.

The previous prime is 20304545207. The next prime is 20304545227. The reversal of 20304545210 is 1254540302.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 20304545210.

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, 319646 + ... + 377865.

It is an arithmetic number, because the mean of its divisors is an integer number (1186467912).

Almost surely, 2^20304545210 is an apocalyptic number.

20304545210 is a deficient number, since it is larger than the sum of its proper divisors (17662427974).

20304545210 is a wasteful number, since it uses less digits than its factorization.

20304545210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 697630.

The product of its (nonzero) digits is 4800, while the sum is 26.

The spelling of 20304545210 in words is "twenty billion, three hundred four million, five hundred forty-five thousand, two hundred ten".