20211230030 has 32 divisors (see below), whose sum is σ = 37454961600. Its totient is φ = 7847642880.

The previous prime is 20211230027. The next prime is 20211230051. The reversal of 20211230030 is 3003211202.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20211229987 and 20211230014.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42269 + ... + 205448.

It is an arithmetic number, because the mean of its divisors is an integer number (1170467550).

Almost surely, 2^20211230030 is an apocalyptic number.

20211230030 is a deficient number, since it is larger than the sum of its proper divisors (17243731570).

20211230030 is a wasteful number, since it uses less digits than its factorization.

20211230030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247964.

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 20211230030 its reverse (3003211202), we get a palindrome (23214441232).

The spelling of 20211230030 in words is "twenty billion, two hundred eleven million, two hundred thirty thousand, thirty".