20111430004 has 24 divisors (see below), whose sum is σ = 37103511200. Its totient is φ = 9512030880.

The previous prime is 20111429951. The next prime is 20111430007. The reversal of 20111430004 is 40003411102.

It is a self number, because there is not a number n which added to its sum of digits gives 20111430004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20111430007) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 149934 + ... + 250405.

Almost surely, 2^20111430004 is an apocalyptic number.

It is an amenable number.

20111430004 is a deficient number, since it is larger than the sum of its proper divisors (16992081196).

20111430004 is a wasteful number, since it uses less digits than its factorization.

20111430004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 401023 (or 401021 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 20111430004 its reverse (40003411102), we get a palindrome (60114841106).

The spelling of 20111430004 in words is "twenty billion, one hundred eleven million, four hundred thirty thousand, four".