820790114 has 4 divisors (see below), whose sum is σ = 1231185174. Its totient is φ = 410395056.

The previous prime is 820790099. The next prime is 820790183. The reversal of 820790114 is 411097028.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 819390625 + 1399489 = 28625^2 + 1183^2 .

It is a super-2 number, since 2×820790114² = 1347392822480265992, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 205197527 + ... + 205197530.

Almost surely, 2^820790114 is an apocalyptic number.

820790114 is a deficient number, since it is larger than the sum of its proper divisors (410395060).

820790114 is a wasteful number, since it uses less digits than its factorization.

820790114 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 410395059.

The product of its (nonzero) digits is 4032, while the sum is 32.

The square root of 820790114 is about 28649.4347937267. The cubic root of 820790114 is about 936.2906913912.

The spelling of 820790114 in words is "eight hundred twenty million, seven hundred ninety thousand, one hundred fourteen".