3881862710220 has 96 divisors (see below), whose sum is σ = 11858708252160. Its totient is φ = 940947932160.

The previous prime is 3881862710213. The next prime is 3881862710227. The reversal of 3881862710220 is 220172681883.

It is an interprime number because it is at equal distance from previous prime (3881862710213) and next prime (3881862710227).

It is a self number, because there is not a number n which added to its sum of digits gives 3881862710220.

It is not an unprimeable number, because it can be changed into a prime (3881862710227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5396289 + ... + 6073191.

It is an arithmetic number, because the mean of its divisors is an integer number (123528210960).

Almost surely, 2^{3881862710220} is an apocalyptic number.

3881862710220 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3881862710220 is an abundant number, since it is smaller than the sum of its proper divisors (7976845541940).

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

3881862710220 is a wasteful number, since it uses less digits than its factorization.

3881862710220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 685615 (or 685613 counting only the distinct ones).

The product of its (nonzero) digits is 516096, while the sum is 48.

The spelling of 3881862710220 in words is "three trillion, eight hundred eighty-one billion, eight hundred sixty-two million, seven hundred ten thousand, two hundred twenty".