30020021223 has 16 divisors (see below), whose sum is σ = 42137124480. Its totient is φ = 18958320864.

The previous prime is 30020021189. The next prime is 30020021231. The reversal of 30020021223 is 32212002003.

It is not a de Polignac number, because 30020021223 - 2¹³ = 30020013031 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30020021723) 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 15 ways as a sum of consecutive naturals, for example, 1035240 + ... + 1063842.

It is an arithmetic number, because the mean of its divisors is an integer number (2633570280).

Almost surely, 2^30020021223 is an apocalyptic number.

30020021223 is a deficient number, since it is larger than the sum of its proper divisors (12117103257).

30020021223 is a wasteful number, since it uses less digits than its factorization.

30020021223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47038.

The product of its (nonzero) digits is 144, while the sum is 15.

Adding to 30020021223 its reverse (32212002003), we get a palindrome (62232023226).

The spelling of 30020021223 in words is "thirty billion, twenty million, twenty-one thousand, two hundred twenty-three".