220002020123 has 4 divisors (see below), whose sum is σ = 222180258048. Its totient is φ = 217823782200.

The previous prime is 220002020093. The next prime is 220002020137. The reversal of 220002020123 is 321020200022.

220002020123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 220002020123 - 2⁶ = 220002020059 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 220002020098 and 220002020107.

It is not an unprimeable number, because it can be changed into a prime (220002020143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1089118811 + ... + 1089119012.

It is an arithmetic number, because the mean of its divisors is an integer number (55545064512).

Almost surely, 2^220002020123 is an apocalyptic number.

220002020123 is a deficient number, since it is larger than the sum of its proper divisors (2178237925).

220002020123 is a wasteful number, since it uses less digits than its factorization.

220002020123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2178237924.

The product of its (nonzero) digits is 96, while the sum is 14.

Adding to 220002020123 its reverse (321020200022), we get a palindrome (541022220145).

The spelling of 220002020123 in words is "two hundred twenty billion, two million, twenty thousand, one hundred twenty-three".