20113230004 has 12 divisors (see below), whose sum is σ = 40226460064. Its totient is φ = 8619955704.

The previous prime is 20113229999. The next prime is 20113230013. The reversal of 20113230004 is 40003231102.

It is a happy number.

20113230004 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 20113230004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 359164794 + ... + 359164849.

Almost surely, 2^20113230004 is an apocalyptic number.

It is an amenable number.

20113230004 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

20113230004 is a wasteful number, since it uses less digits than its factorization.

20113230004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 718329654 (or 718329652 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 20113230004 its reverse (40003231102), we get a palindrome (60116461106).

The spelling of 20113230004 in words is "twenty billion, one hundred thirteen million, two hundred thirty thousand, four".