20041005512 has 16 divisors (see below), whose sum is σ = 40992966000. Its totient is φ = 9109547920.

The previous prime is 20041005461. The next prime is 20041005527. The reversal of 20041005512 is 21550014002.

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, 113869262 + ... + 113869437.

It is an arithmetic number, because the mean of its divisors is an integer number (2562060375).

Almost surely, 2^20041005512 is an apocalyptic number.

20041005512 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20041005512 is an abundant number, since it is smaller than the sum of its proper divisors (20951960488).

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

20041005512 is a wasteful number, since it uses less digits than its factorization.

20041005512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227738716 (or 227738712 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 20.

Adding to 20041005512 its reverse (21550014002), we get a palindrome (41591019514).

The spelling of 20041005512 in words is "twenty billion, forty-one million, five thousand, five hundred twelve".