3621774020 has 24 divisors (see below), whose sum is σ = 7851072768. Its totient is φ = 1401976800.

The previous prime is 3621773957. The next prime is 3621774041. The reversal of 3621774020 is 204771263.

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, 2920166 + ... + 2921405.

It is an arithmetic number, because the mean of its divisors is an integer number (327128032).

Almost surely, 2^3621774020 is an apocalyptic number.

It is an amenable number.

3621774020 is an abundant number, since it is smaller than the sum of its proper divisors (4229298748).

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

3621774020 is a wasteful number, since it uses less digits than its factorization.

3621774020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5841611 (or 5841609 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 32.

The square root of 3621774020 is about 60181.1766252538. The cubic root of 3621774020 is about 1535.7025887430.

The spelling of 3621774020 in words is "three billion, six hundred twenty-one million, seven hundred seventy-four thousand, twenty".