20004305512460 has 24 divisors (see below), whose sum is σ = 42119883390480. Its totient is φ = 7980609478464.

The previous prime is 20004305512423. The next prime is 20004305512483. The reversal of 20004305512460 is 6421550340002.

It is an unprimeable number.

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, 1319537639 + ... + 1319552798.

It is an arithmetic number, because the mean of its divisors is an integer number (1754995141270).

Almost surely, 2^{20004305512460} is an apocalyptic number.

20004305512460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20004305512460 is an abundant number, since it is smaller than the sum of its proper divisors (22115577878020).

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

20004305512460 is a wasteful number, since it uses less digits than its factorization.

20004305512460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2639090825 (or 2639090823 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 32.

Adding to 20004305512460 its reverse (6421550340002), we get a palindrome (26425855852462).

The spelling of 20004305512460 in words is "twenty trillion, four billion, three hundred five million, five hundred twelve thousand, four hundred sixty".