20010523456025 has 12 divisors (see below), whose sum is σ = 24817535434704. Its totient is φ = 16005524346000.

The previous prime is 20010523455997. The next prime is 20010523456087. The reversal of 20010523456025 is 52065432501002.

It is not a de Polignac number, because 20010523456025 - 2¹⁰ = 20010523455001 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 72219431 + ... + 72495980.

It is an arithmetic number, because the mean of its divisors is an integer number (2068127952892).

Almost surely, 2^{20010523456025} is an apocalyptic number.

20010523456025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20010523456025 is a deficient number, since it is larger than the sum of its proper divisors (4807011978679).

20010523456025 is a wasteful number, since it uses less digits than its factorization.

20010523456025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144720952 (or 144720947 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 35.

Adding to 20010523456025 its reverse (52065432501002), we get a palindrome (72075955957027).

The spelling of 20010523456025 in words is "twenty trillion, ten billion, five hundred twenty-three million, four hundred fifty-six thousand, twenty-five".