201220200222220 has 48 divisors (see below), whose sum is σ = 424586468130048. Its totient is φ = 80102585626560.

The previous prime is 201220200222199. The next prime is 201220200222287. The reversal of 201220200222220 is 22222002022102.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 83306367 + ... + 85687753.

It is an arithmetic number, because the mean of its divisors is an integer number (8845551419376).

Almost surely, 2^{201220200222220} is an apocalyptic number.

201220200222220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201220200222220 is an abundant number, since it is smaller than the sum of its proper divisors (223366267907828).

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

201220200222220 is a wasteful number, since it uses less digits than its factorization.

201220200222220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2401630 (or 2401628 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 19.

Adding to 201220200222220 its reverse (22222002022102), we get a palindrome (223442202244322).

The spelling of 201220200222220 in words is "two hundred one trillion, two hundred twenty billion, two hundred million, two hundred twenty-two thousand, two hundred twenty".