845695020 has 24 divisors (see below), whose sum is σ = 2367946224. Its totient is φ = 225518656.

The previous prime is 845695003. The next prime is 845695021. The reversal of 845695020 is 20596548.

It is a self number, because there is not a number n which added to its sum of digits gives 845695020.

It is not an unprimeable number, because it can be changed into a prime (845695021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7047399 + ... + 7047518.

It is an arithmetic number, because the mean of its divisors is an integer number (98664426).

Almost surely, 2^845695020 is an apocalyptic number.

It is an amenable number.

845695020 is an abundant number, since it is smaller than the sum of its proper divisors (1522251204).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

845695020 is a wasteful number, since it uses less digits than its factorization.

845695020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14094929 (or 14094927 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 39.

The square root of 845695020 is about 29080.8359577231. The cubic root of 845695020 is about 945.6663255017. Note that the first 3 decimals are identical.

The spelling of 845695020 in words is "eight hundred forty-five million, six hundred ninety-five thousand, twenty".