20104543232025 has 48 divisors (see below), whose sum is σ = 37989558096000. Its totient is φ = 9190274549760.

The previous prime is 20104543232009. The next prime is 20104543232071. The reversal of 20104543232025 is 52023234540102.

It is not a de Polignac number, because 20104543232025 - 2⁴ = 20104543232009 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 12353001 + ... + 13885449.

It is an arithmetic number, because the mean of its divisors is an integer number (791449127000).

Almost surely, 2^{20104543232025} is an apocalyptic number.

20104543232025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20104543232025 is a deficient number, since it is larger than the sum of its proper divisors (17885014863975).

20104543232025 is a wasteful number, since it uses less digits than its factorization.

20104543232025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1557458 (or 1557453 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 33.

Adding to 20104543232025 its reverse (52023234540102), we get a palindrome (72127777772127).

The spelling of 20104543232025 in words is "twenty trillion, one hundred four billion, five hundred forty-three million, two hundred thirty-two thousand, twenty-five".