3625433220 has 48 divisors (see below), whose sum is σ = 10157394240. Its totient is φ = 966193536.

The previous prime is 3625433183. The next prime is 3625433221. The reversal of 3625433220 is 223345263.

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

It is not an unprimeable number, because it can be changed into a prime (3625433221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 85846 + ... + 120914.

It is an arithmetic number, because the mean of its divisors is an integer number (211612380).

Almost surely, 2^3625433220 is an apocalyptic number.

3625433220 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3625433220 is an abundant number, since it is smaller than the sum of its proper divisors (6531961020).

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

3625433220 is a wasteful number, since it uses less digits than its factorization.

3625433220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36804 (or 36802 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 30.

The square root of 3625433220 is about 60211.5704827569. The cubic root of 3625433220 is about 1536.2196053062.

Adding to 3625433220 its reverse (223345263), we get a palindrome (3848778483).

The spelling of 3625433220 in words is "three billion, six hundred twenty-five million, four hundred thirty-three thousand, two hundred twenty".