820108691314 has 16 divisors (see below), whose sum is σ = 1347217824096. Its totient is φ = 371326182400.

The previous prime is 820108691309. The next prime is 820108691317. The reversal of 820108691314 is 413196801028.

It is not an unprimeable number, because it can be changed into a prime (820108691317) 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, 72518992 + ... + 72530299.

It is an arithmetic number, because the mean of its divisors is an integer number (84201114006).

Almost surely, 2^820108691314 is an apocalyptic number.

820108691314 is a deficient number, since it is larger than the sum of its proper divisors (527109132782).

820108691314 is a wasteful number, since it uses less digits than its factorization.

820108691314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145049561.

The product of its (nonzero) digits is 82944, while the sum is 43.

The spelling of 820108691314 in words is "eight hundred twenty billion, one hundred eight million, six hundred ninety-one thousand, three hundred fourteen".