220200201120021 has 64 divisors (see below), whose sum is σ = 320150661304320. Its totient is φ = 134204471976960.

The previous prime is 220200201120017. The next prime is 220200201120131. The reversal of 220200201120021 is 120021102002022.

It is not a de Polignac number, because 220200201120021 - 2² = 220200201120017 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220200201127021) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 79167126 + ... + 81901368.

It is an arithmetic number, because the mean of its divisors is an integer number (5002354082880).

Almost surely, 2^{220200201120021} is an apocalyptic number.

It is an amenable number.

220200201120021 is a deficient number, since it is larger than the sum of its proper divisors (99950460184299).

220200201120021 is a wasteful number, since it uses less digits than its factorization.

220200201120021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2734706.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 220200201120021 its reverse (120021102002022), we get a palindrome (340221303122043).

The spelling of 220200201120021 in words is "two hundred twenty trillion, two hundred billion, two hundred one million, one hundred twenty thousand, twenty-one".