201000200221220 has 48 divisors (see below), whose sum is σ = 445199564960640. Its totient is φ = 76017068430336.

The previous prime is 201000200221157. The next prime is 201000200221291. The reversal of 201000200221220 is 22122002000102.

It is a junction number, because it is equal to n+sod(n) for n = 201000200221195 and 201000200221204.

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, 525601997 + ... + 525984276.

It is an arithmetic number, because the mean of its divisors is an integer number (9274990936680).

Almost surely, 2^{201000200221220} is an apocalyptic number.

201000200221220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201000200221220 is an abundant number, since it is smaller than the sum of its proper divisors (244199364739420).

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

201000200221220 is a wasteful number, since it uses less digits than its factorization.

201000200221220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1051586804 (or 1051586802 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 201000200221220 its reverse (22122002000102), we get a palindrome (223122202221322).

The spelling of 201000200221220 in words is "two hundred one trillion, two hundred million, two hundred twenty-one thousand, two hundred twenty".