3201202020 has 48 divisors (see below), whose sum is σ = 9010326528. Its totient is φ = 849181440.

The previous prime is 3201201989. The next prime is 3201202021. The reversal of 3201202020 is 202021023.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 3201201987 and 3201202005.

It is not an unprimeable number, because it can be changed into a prime (3201202021) 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, 128209 + ... + 151128.

It is an arithmetic number, because the mean of its divisors is an integer number (187715136).

Almost surely, 2^3201202020 is an apocalyptic number.

3201202020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3201202020 is an abundant number, since it is smaller than the sum of its proper divisors (5809124508).

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

3201202020 is a wasteful number, since it uses less digits than its factorization.

3201202020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279540 (or 279538 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 3201202020 is about 56579.1659535557. The cubic root of 3201202020 is about 1473.7970880058.

Adding to 3201202020 its reverse (202021023), we get a palindrome (3403223043).

The spelling of 3201202020 in words is "three billion, two hundred one million, two hundred two thousand, twenty".