20012454504 has 48 divisors (see below), whose sum is σ = 61943313120. Its totient is φ = 5717844000.

The previous prime is 20012454503. The next prime is 20012454523. The reversal of 20012454504 is 40545421002.

20012454504 is a `hidden beast` number, since 200 + 1 + 2 + 4 + 5 + 450 + 4 = 666.

It is not an unprimeable number, because it can be changed into a prime (20012454503) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19853122 + ... + 19854129.

It is an arithmetic number, because the mean of its divisors is an integer number (1290485690).

Almost surely, 2^20012454504 is an apocalyptic number.

20012454504 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

20012454504 is an abundant number, since it is smaller than the sum of its proper divisors (41930858616).

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

20012454504 is a wasteful number, since it uses less digits than its factorization.

20012454504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39707270 (or 39707263 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 27.

Adding to 20012454504 its reverse (40545421002), we get a palindrome (60557875506).

The spelling of 20012454504 in words is "twenty billion, twelve million, four hundred fifty-four thousand, five hundred four".