2000201220 has 72 divisors (see below), whose sum is σ = 6263013120. Its totient is φ = 516179520.

The previous prime is 2000201209. The next prime is 2000201227. The reversal of 2000201220 is 221020002.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (2000201227) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 173650 + ... + 184809.

Almost surely, 2^2000201220 is an apocalyptic number.

2000201220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2000201220 is an abundant number, since it is smaller than the sum of its proper divisors (4262811900).

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

2000201220 is a wasteful number, since it uses less digits than its factorization.

2000201220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 358505 (or 358500 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 9.

The square root of 2000201220 is about 44723.6092014050. The cubic root of 2000201220 is about 1259.9633020302.

Adding to 2000201220 its reverse (221020002), we get a palindrome (2221221222).

The spelling of 2000201220 in words is "two billion, two hundred one thousand, two hundred twenty".