20021030333223 has 16 divisors (see below), whose sum is σ = 26846905920000. Its totient is φ = 13271451557760.

The previous prime is 20021030333209. The next prime is 20021030333279. The reversal of 20021030333223 is 32233303012002.

It is not a de Polignac number, because 20021030333223 - 2¹³ = 20021030325031 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20021030333193 and 20021030333202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20021030313223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24269778 + ... + 25081151.

It is an arithmetic number, because the mean of its divisors is an integer number (1677931620000).

Almost surely, 2^{20021030333223} is an apocalyptic number.

20021030333223 is a deficient number, since it is larger than the sum of its proper divisors (6825875586777).

20021030333223 is a wasteful number, since it uses less digits than its factorization.

20021030333223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49351702.

The product of its (nonzero) digits is 3888, while the sum is 24.

Adding to 20021030333223 its reverse (32233303012002), we get a palindrome (52254333345225).

The spelling of 20021030333223 in words is "twenty trillion, twenty-one billion, thirty million, three hundred thirty-three thousand, two hundred twenty-three".