3816353220 has 24 divisors (see below), whose sum is σ = 10685789184. Its totient is φ = 1017694176.

The previous prime is 3816353207. The next prime is 3816353231. The reversal of 3816353220 is 223536183.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31802884 + ... + 31803003.

It is an arithmetic number, because the mean of its divisors is an integer number (445241216).

Almost surely, 2^3816353220 is an apocalyptic number.

3816353220 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3816353220 is an abundant number, since it is smaller than the sum of its proper divisors (6869435964).

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

3816353220 is a wasteful number, since it uses less digits than its factorization.

3816353220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63605899 (or 63605897 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 33.

The square root of 3816353220 is about 61776.6397597020. The cubic root of 3816353220 is about 1562.7260602630.

The spelling of 3816353220 in words is "three billion, eight hundred sixteen million, three hundred fifty-three thousand, two hundred twenty".