220123124429 has 8 divisors (see below), whose sum is σ = 237067700352. Its totient is φ = 203180266800.

The previous prime is 220123124393. The next prime is 220123124453. The reversal of 220123124429 is 924421321022.

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 220123124429 - 2²⁸ = 219854688973 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 220123124395 and 220123124404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220123124489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 157097 + ... + 681854.

It is an arithmetic number, because the mean of its divisors is an integer number (29633462544).

Almost surely, 2^220123124429 is an apocalyptic number.

It is an amenable number.

220123124429 is a deficient number, since it is larger than the sum of its proper divisors (16944575923).

220123124429 is a wasteful number, since it uses less digits than its factorization.

220123124429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 859147.

The product of its (nonzero) digits is 13824, while the sum is 32.

The spelling of 220123124429 in words is "two hundred twenty billion, one hundred twenty-three million, one hundred twenty-four thousand, four hundred twenty-nine".