20012403004 has 24 divisors (see below), whose sum is σ = 38583777456. Its totient is φ = 9006480000.

The previous prime is 20012402983. The next prime is 20012403091. The reversal of 20012403004 is 40030421002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2247177 + ... + 2256064.

It is an arithmetic number, because the mean of its divisors is an integer number (1607657394).

Almost surely, 2^20012403004 is an apocalyptic number.

It is an amenable number.

20012403004 is a deficient number, since it is larger than the sum of its proper divisors (18571374452).

20012403004 is a wasteful number, since it uses less digits than its factorization.

20012403004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4503357 (or 4503355 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

Adding to 20012403004 its reverse (40030421002), we get a palindrome (60042824006).

The spelling of 20012403004 in words is "twenty billion, twelve million, four hundred three thousand, four".