20022220012123 has 8 divisors (see below), whose sum is σ = 23369399649792. Its totient is φ = 16796755997736.

The previous prime is 20022220012103. The next prime is 20022220012213. The reversal of 20022220012123 is 32121002222002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20022220012123 - 2⁹ = 20022220011611 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20022220012123.

It is not an unprimeable number, because it can be changed into a prime (20022220012103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30428905465 + ... + 30428906122.

It is an arithmetic number, because the mean of its divisors is an integer number (2921174956224).

Almost surely, 2^{20022220012123} is an apocalyptic number.

20022220012123 is a deficient number, since it is larger than the sum of its proper divisors (3347179637669).

20022220012123 is an equidigital number, since it uses as much as digits as its factorization.

20022220012123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60857811641.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 20022220012123 its reverse (32121002222002), we get a palindrome (52143222234125).

The spelling of 20022220012123 in words is "twenty trillion, twenty-two billion, two hundred twenty million, twelve thousand, one hundred twenty-three".