20103023004 has 12 divisors (see below), whose sum is σ = 46907053704. Its totient is φ = 6701007664.

The previous prime is 20103022997. The next prime is 20103023023. The reversal of 20103023004 is 40032030102.

It is a tau number, because it is divible by the number of its divisors (12).

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 3 ways as a sum of consecutive naturals, for example, 837625947 + ... + 837625970.

It is an arithmetic number, because the mean of its divisors is an integer number (3908921142).

Almost surely, 2^20103023004 is an apocalyptic number.

It is an amenable number.

20103023004 is an abundant number, since it is smaller than the sum of its proper divisors (26804030700).

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

20103023004 is a wasteful number, since it uses less digits than its factorization.

20103023004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1675251924 (or 1675251922 counting only the distinct ones).

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

Adding to 20103023004 its reverse (40032030102), we get a palindrome (60135053106).

The spelling of 20103023004 in words is "twenty billion, one hundred three million, twenty-three thousand, four".