3854818020 has 48 divisors (see below), whose sum is σ = 10807167168. Its totient is φ = 1026648960.

The previous prime is 3854818007. The next prime is 3854818049. The reversal of 3854818020 is 208184583.

It is a self number, because there is not a number n which added to its sum of digits gives 3854818020.

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, 7515 + ... + 88125.

It is an arithmetic number, because the mean of its divisors is an integer number (225149316).

Almost surely, 2^3854818020 is an apocalyptic number.

3854818020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3854818020 is an abundant number, since it is smaller than the sum of its proper divisors (6952349148).

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

3854818020 is a wasteful number, since it uses less digits than its factorization.

3854818020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81420 (or 81418 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 39.

The square root of 3854818020 is about 62087.1808024813. The cubic root of 3854818020 is about 1567.9587275901.

The spelling of 3854818020 in words is "three billion, eight hundred fifty-four million, eight hundred eighteen thousand, twenty".