819320230 has 16 divisors (see below), whose sum is σ = 1514635920. Its totient is φ = 318870432.

The previous prime is 819320221. The next prime is 819320233. The reversal of 819320230 is 32023918.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (819320233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1106820 + ... + 1107559.

It is an arithmetic number, because the mean of its divisors is an integer number (94664745).

Almost surely, 2^819320230 is an apocalyptic number.

819320230 is a deficient number, since it is larger than the sum of its proper divisors (695315690).

819320230 is a wasteful number, since it uses less digits than its factorization.

819320230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2214423.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 819320230 is about 28623.7703666026. The cubic root of 819320230 is about 935.7314493343.

The spelling of 819320230 in words is "eight hundred nineteen million, three hundred twenty thousand, two hundred thirty".