220032202123 has 4 divisors (see below), whose sum is σ = 231612844360. Its totient is φ = 208451559888.

The previous prime is 220032202097. The next prime is 220032202129. The reversal of 220032202123 is 321202230022.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 321202230022 = 2 ⋅160601115011.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-220032202123 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19), and also a Moran number because the ratio is a prime number: 11580642217 = 220032202123 / (2 + 2 + 0 + 0 + 3 + 2 + 2 + 0 + 2 + 1 + 2 + 3).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 220032202123.

It is not an unprimeable number, because it can be changed into a prime (220032202129) 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, 5790321090 + ... + 5790321127.

It is an arithmetic number, because the mean of its divisors is an integer number (57903211090).

Almost surely, 2^220032202123 is an apocalyptic number.

220032202123 is a deficient number, since it is larger than the sum of its proper divisors (11580642237).

220032202123 is a wasteful number, since it uses less digits than its factorization.

220032202123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11580642236.

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 220032202123 its reverse (321202230022), we get a palindrome (541234432145).

The spelling of 220032202123 in words is "two hundred twenty billion, thirty-two million, two hundred two thousand, one hundred twenty-three".