4232021220 has 108 divisors (see below), whose sum is σ = 14933020284. Its totient is φ = 967317120.

The previous prime is 4232021219. The next prime is 4232021267. The reversal of 4232021220 is 221202324.

4232021220 is a `hidden beast` number, since 423 + 2 + 0 + 21 + 220 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 3068938404 + 1163082816 = 55398^2 + 34104^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 4232021193 and 4232021202.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 231091 + ... + 248730.

Almost surely, 2^4232021220 is an apocalyptic number.

It is an amenable number.

4232021220 is an abundant number, since it is smaller than the sum of its proper divisors (10700999064).

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

4232021220 is a wasteful number, since it uses less digits than its factorization.

4232021220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 479850 (or 479838 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 4232021220 is about 65053.9869646742. The cubic root of 4232021220 is about 1617.5185833175.

Adding to 4232021220 its reverse (221202324), we get a palindrome (4453223544).

The spelling of 4232021220 in words is "four billion, two hundred thirty-two million, twenty-one thousand, two hundred twenty".