220120021200201 has 4 divisors (see below), whose sum is σ = 293493361600272. Its totient is φ = 146746680800132.

The previous prime is 220120021200161. The next prime is 220120021200251. The reversal of 220120021200201 is 102002120021022.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 220120021200201 - 2¹⁹ = 220120020675913 is a prime.

It is not an unprimeable number, because it can be changed into a prime (220120021200251) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36686670200031 + ... + 36686670200036.

It is an arithmetic number, because the mean of its divisors is an integer number (73373340400068).

Almost surely, 2^{220120021200201} is an apocalyptic number.

It is an amenable number.

220120021200201 is a deficient number, since it is larger than the sum of its proper divisors (73373340400071).

220120021200201 is an equidigital number, since it uses as much as digits as its factorization.

220120021200201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73373340400070.

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

Adding to 220120021200201 its reverse (102002120021022), we get a palindrome (322122141221223).

The spelling of 220120021200201 in words is "two hundred twenty trillion, one hundred twenty billion, twenty-one million, two hundred thousand, two hundred one".