20203430230120 has 96 divisors (see below), whose sum is σ = 48293162254080. Its totient is φ = 7605340820480.

The previous prime is 20203430230111. The next prime is 20203430230121. The reversal of 20203430230120 is 2103203430202.

It is a junction number, because it is equal to n+sod(n) for n = 20203430230091 and 20203430230100.

It is not an unprimeable number, because it can be changed into a prime (20203430230121) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 146130225 + ... + 146268415.

It is an arithmetic number, because the mean of its divisors is an integer number (503053773480).

Almost surely, 2^{20203430230120} is an apocalyptic number.

20203430230120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20203430230120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24146581127040).

20203430230120 is an abundant number, since it is smaller than the sum of its proper divisors (28089732023960).

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

20203430230120 is a wasteful number, since it uses less digits than its factorization.

20203430230120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150883 (or 150862 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 20203430230120 its reverse (2103203430202), we get a palindrome (22306633660322).

The spelling of 20203430230120 in words is "twenty trillion, two hundred three billion, four hundred thirty million, two hundred thirty thousand, one hundred twenty".