2010201220 has 24 divisors (see below), whose sum is σ = 4241438208. Its totient is φ = 800268000.

The previous prime is 2010201143. The next prime is 2010201239. The reversal of 2010201220 is 221020102.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 2010201197 and 2010201206.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 233956 + ... + 242395.

It is an arithmetic number, because the mean of its divisors is an integer number (176726592).

Almost surely, 2^2010201220 is an apocalyptic number.

2010201220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2010201220 is an abundant number, since it is smaller than the sum of its proper divisors (2231236988).

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

2010201220 is a wasteful number, since it uses less digits than its factorization.

2010201220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 476571 (or 476569 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 2010201220 is about 44835.2675914843. The cubic root of 2010201220 is about 1262.0595401061.

Adding to 2010201220 its reverse (221020102), we get a palindrome (2231221322).

The spelling of 2010201220 in words is "two billion, ten million, two hundred one thousand, two hundred twenty".