20100323004 has 12 divisors (see below), whose sum is σ = 46900753704. Its totient is φ = 6700107664.

The previous prime is 20100322967. The next prime is 20100323029. The reversal of 20100323004 is 40032300102.

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 (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 837513447 + ... + 837513470.

It is an arithmetic number, because the mean of its divisors is an integer number (3908396142).

Almost surely, 2^20100323004 is an apocalyptic number.

It is an amenable number.

20100323004 is an abundant number, since it is smaller than the sum of its proper divisors (26800430700).

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

20100323004 is a wasteful number, since it uses less digits than its factorization.

20100323004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1675026924 (or 1675026922 counting only the distinct ones).

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

Adding to 20100323004 its reverse (40032300102), we get a palindrome (60132623106).

The spelling of 20100323004 in words is "twenty billion, one hundred million, three hundred twenty-three thousand, four".