201002022220 has 24 divisors (see below), whose sum is σ = 424899645408. Its totient is φ = 79868352000.

The previous prime is 201002022203. The next prime is 201002022233. The reversal of 201002022220 is 22220200102.

It is a self number, because there is not a number n which added to its sum of digits gives 201002022220.

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, 33275461 + ... + 33281500.

It is an arithmetic number, because the mean of its divisors is an integer number (17704151892).

Almost surely, 2^201002022220 is an apocalyptic number.

201002022220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201002022220 is an abundant number, since it is smaller than the sum of its proper divisors (223897623188).

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

201002022220 is a wasteful number, since it uses less digits than its factorization.

201002022220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66557121 (or 66557119 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 13.

Adding to 201002022220 its reverse (22220200102), we get a palindrome (223222222322).

The spelling of 201002022220 in words is "two hundred one billion, two million, twenty-two thousand, two hundred twenty".