220020001123 has 8 divisors (see below), whose sum is σ = 236948384288. Its totient is φ = 203092156224.

The previous prime is 220020001111. The next prime is 220020001127. The reversal of 220020001123 is 321100020022.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-220020001123 is a prime.

It is a super-2 number, since 2×220020001123² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220020001127) 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, 1217911 + ... + 1386847.

It is an arithmetic number, because the mean of its divisors is an integer number (29618548036).

Almost surely, 2^220020001123 is an apocalyptic number.

220020001123 is a deficient number, since it is larger than the sum of its proper divisors (16928383165).

220020001123 is a wasteful number, since it uses less digits than its factorization.

220020001123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269133.

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 220020001123 its reverse (321100020022), we get a palindrome (541120021145).

The spelling of 220020001123 in words is "two hundred twenty billion, twenty million, one thousand, one hundred twenty-three".