220200020002123 has 12 divisors (see below), whose sum is σ = 256151546814312. Its totient is φ = 188742503554080.

The previous prime is 220200020002117. The next prime is 220200020002147. The reversal of 220200020002123 is 321200020002022.

220200020002123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-220200020002123 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 220200020002097 and 220200020002106.

It is not an unprimeable number, because it can be changed into a prime (220200020002103) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22437336 + ... + 30721882.

It is an arithmetic number, because the mean of its divisors is an integer number (21345962234526).

Almost surely, 2^{220200020002123} is an apocalyptic number.

220200020002123 is a deficient number, since it is larger than the sum of its proper divisors (35951526812189).

220200020002123 is an equidigital number, since it uses as much as digits as its factorization.

220200020002123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8827002 (or 8826995 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

Adding to 220200020002123 its reverse (321200020002022), we get a palindrome (541400040004145).

The spelling of 220200020002123 in words is "two hundred twenty trillion, two hundred billion, twenty million, two thousand, one hundred twenty-three".