3681370020 has 48 divisors (see below), whose sum is σ = 10324919808. Its totient is φ = 980071680.

The previous prime is 3681369977. The next prime is 3681370039. The reversal of 3681370020 is 200731863.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a self number, because there is not a number n which added to its sum of digits gives 3681370020.

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, 14121 + ... + 86960.

It is an arithmetic number, because the mean of its divisors is an integer number (215102496).

Almost surely, 2^3681370020 is an apocalyptic number.

3681370020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3681370020 is an abundant number, since it is smaller than the sum of its proper divisors (6643549788).

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

3681370020 is a wasteful number, since it uses less digits than its factorization.

3681370020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101700 (or 101698 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 3681370020 is about 60674.2945570857. The cubic root of 3681370020 is about 1544.0800925145.

The spelling of 3681370020 in words is "three billion, six hundred eighty-one million, three hundred seventy thousand, twenty".