20817050230 has 32 divisors (see below), whose sum is σ = 37704268800. Its totient is φ = 8274975072.

The previous prime is 20817050213. The next prime is 20817050269. The reversal of 20817050230 is 3205071802.

It is a congruent number.

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, 3940731 + ... + 3946009.

It is an arithmetic number, because the mean of its divisors is an integer number (1178258400).

Almost surely, 2^20817050230 is an apocalyptic number.

20817050230 is a deficient number, since it is larger than the sum of its proper divisors (16887218570).

20817050230 is a wasteful number, since it uses less digits than its factorization.

20817050230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7668.

The product of its (nonzero) digits is 3360, while the sum is 28.

The spelling of 20817050230 in words is "twenty billion, eight hundred seventeen million, fifty thousand, two hundred thirty".