20003507323025 has 24 divisors (see below), whose sum is σ = 25605077836800. Its totient is φ = 15486230390400.

The previous prime is 20003507323013. The next prime is 20003507323073. The reversal of 20003507323025 is 52032370530002.

It is not a de Polignac number, because 20003507323025 - 2¹⁴ = 20003507306641 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 20003507322982 and 20003507323000.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 36368261 + ... + 36914189.

It is an arithmetic number, because the mean of its divisors is an integer number (1066878243200).

Almost surely, 2^{20003507323025} is an apocalyptic number.

20003507323025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20003507323025 is a deficient number, since it is larger than the sum of its proper divisors (5601570513775).

20003507323025 is a wasteful number, since it uses less digits than its factorization.

20003507323025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 593249 (or 593244 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 32.

Adding to 20003507323025 its reverse (52032370530002), we get a palindrome (72035877853027).

The spelling of 20003507323025 in words is "twenty trillion, three billion, five hundred seven million, three hundred twenty-three thousand, twenty-five".