20020111221230 has 8 divisors (see below), whose sum is σ = 36036200198232. Its totient is φ = 8008044488488.

The previous prime is 20020111221221. The next prime is 20020111221239. The reversal of 20020111221230 is 3212211102002.

It is an interprime number because it is at equal distance from previous prime (20020111221221) and next prime (20020111221239).

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

It is a junction number, because it is equal to n+sod(n) for n = 20020111221199 and 20020111221208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20020111221239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1001005561052 + ... + 1001005561071.

It is an arithmetic number, because the mean of its divisors is an integer number (4504525024779).

Almost surely, 2^{20020111221230} is an apocalyptic number.

20020111221230 is a deficient number, since it is larger than the sum of its proper divisors (16016088977002).

20020111221230 is a wasteful number, since it uses less digits than its factorization.

20020111221230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2002011122130.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 20020111221230 its reverse (3212211102002), we get a palindrome (23232322323232).

The spelling of 20020111221230 in words is "twenty trillion, twenty billion, one hundred eleven million, two hundred twenty-one thousand, two hundred thirty".