20220123030 has 32 divisors (see below), whose sum is σ = 48617051904. Its totient is φ = 5382170976.

The previous prime is 20220123013. The next prime is 20220123041. The reversal of 20220123030 is 3032102202.

It is a Harshad number since it is a multiple of its sum of digits (15).

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, 599682 + ... + 632501.

It is an arithmetic number, because the mean of its divisors is an integer number (1519282872).

Almost surely, 2^20220123030 is an apocalyptic number.

20220123030 is an abundant number, since it is smaller than the sum of its proper divisors (28396928874).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20220123030 is a wasteful number, since it uses less digits than its factorization.

20220123030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1232740.

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

Adding to 20220123030 its reverse (3032102202), we get a palindrome (23252225232).

The spelling of 20220123030 in words is "twenty billion, two hundred twenty million, one hundred twenty-three thousand, thirty".