220211040023 has 4 divisors (see below), whose sum is σ = 237150350808. Its totient is φ = 203271729240.

The previous prime is 220211039977. The next prime is 220211040043. The reversal of 220211040023 is 320040112022.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 320040112022 = 2 ⋅160020056011.

It is a cyclic number.

It is not a de Polignac number, because 220211040023 - 2¹⁴ = 220211023639 is a prime.

It is a super-2 number, since 2×220211040023² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 220211039983 and 220211040010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220211040043) 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, 8469655373 + ... + 8469655398.

It is an arithmetic number, because the mean of its divisors is an integer number (59287587702).

Almost surely, 2^220211040023 is an apocalyptic number.

220211040023 is a deficient number, since it is larger than the sum of its proper divisors (16939310785).

220211040023 is a wasteful number, since it uses less digits than its factorization.

220211040023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16939310784.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 220211040023 its reverse (320040112022), we get a palindrome (540251152045).

The spelling of 220211040023 in words is "two hundred twenty billion, two hundred eleven million, forty thousand, twenty-three".