3675814020 has 120 divisors (see below), whose sum is σ = 11567099544. Its totient is φ = 977163264.

The previous prime is 3675813997. The next prime is 3675814073. The reversal of 3675814020 is 204185763.

3675814020 is a `hidden beast` number, since 36 + 7 + 581 + 40 + 2 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 1031180544 + 2644633476 = 32112^2 + 51426^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 542574 + ... + 549306.

Almost surely, 2^3675814020 is an apocalyptic number.

3675814020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3675814020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5783549772).

3675814020 is an abundant number, since it is smaller than the sum of its proper divisors (7891285524).

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

3675814020 is a wasteful number, since it uses less digits than its factorization.

3675814020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7091 (or 7080 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 3675814020 is about 60628.4918169667. The cubic root of 3675814020 is about 1543.3029155041.

Adding to 3675814020 its reverse (204185763), we get a palindrome (3879999783).

The spelling of 3675814020 in words is "three billion, six hundred seventy-five million, eight hundred fourteen thousand, twenty".