220200002001 has 48 divisors (see below), whose sum is σ = 375369646080. Its totient is φ = 121724506080.

The previous prime is 220200001949. The next prime is 220200002003. The reversal of 220200002001 is 100200002022.

It is not a de Polignac number, because 220200002001 - 2¹⁵ = 220199969233 is a prime.

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 (220200002003) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5650140 + ... + 5688978.

It is an arithmetic number, because the mean of its divisors is an integer number (7820200960).

Almost surely, 2^220200002001 is an apocalyptic number.

220200002001 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

220200002001 is a deficient number, since it is larger than the sum of its proper divisors (155169644079).

220200002001 is a wasteful number, since it uses less digits than its factorization.

220200002001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41786 (or 41783 counting only the distinct ones).

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

Adding to 220200002001 its reverse (100200002022), we get a palindrome (320400004023).

The spelling of 220200002001 in words is "two hundred twenty billion, two hundred million, two thousand, one".