20123203030 has 64 divisors (see below), whose sum is σ = 42506529408. Its totient is φ = 6715146240.

The previous prime is 20123203027. The next prime is 20123203043. The reversal of 20123203030 is 3030232102.

It is a junction number, because it is equal to n+sod(n) for n = 20123202995 and 20123203013.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 1234614 + ... + 1250806.

It is an arithmetic number, because the mean of its divisors is an integer number (664164522).

Almost surely, 2^20123203030 is an apocalyptic number.

20123203030 is an abundant number, since it is smaller than the sum of its proper divisors (22383326378).

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

20123203030 is a wasteful number, since it uses less digits than its factorization.

20123203030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16681.

The product of its (nonzero) digits is 216, while the sum is 16.

Adding to 20123203030 its reverse (3030232102), we get a palindrome (23153435132).

The spelling of 20123203030 in words is "twenty billion, one hundred twenty-three million, two hundred three thousand, thirty".