20123010030 has 32 divisors (see below), whose sum is σ = 48426845184. Its totient is φ = 5351511456.

The previous prime is 20123010001. The next prime is 20123010049. The reversal of 20123010030 is 3001032102.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20123009988 and 20123010015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 902842 + ... + 924861.

It is an arithmetic number, because the mean of its divisors is an integer number (1513338912).

Almost surely, 2^20123010030 is an apocalyptic number.

20123010030 is an abundant number, since it is smaller than the sum of its proper divisors (28303835154).

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

20123010030 is a wasteful number, since it uses less digits than its factorization.

20123010030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1828080.

The product of its (nonzero) digits is 36, while the sum is 12.

Adding to 20123010030 its reverse (3001032102), we get a palindrome (23124042132).

The spelling of 20123010030 in words is "twenty billion, one hundred twenty-three million, ten thousand, thirty".