20352316603025 has 24 divisors (see below), whose sum is σ = 27545833379424. Its totient is φ = 14793781766400.

The previous prime is 20352316603009. The next prime is 20352316603039. The reversal of 20352316603025 is 52030661325302.

It is not a de Polignac number, because 20352316603025 - 2⁴ = 20352316603009 is a prime.

It is a super-2 number, since 2×20352316603025² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20352316603025.

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, 19241579 + ... + 20271728.

It is an arithmetic number, because the mean of its divisors is an integer number (1147743057476).

Almost surely, 2^{20352316603025} is an apocalyptic number.

20352316603025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20352316603025 is a deficient number, since it is larger than the sum of its proper divisors (7193516776399).

20352316603025 is a wasteful number, since it uses less digits than its factorization.

20352316603025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39515201 (or 39515196 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 38.

Adding to 20352316603025 its reverse (52030661325302), we get a palindrome (72382977928327).

The spelling of 20352316603025 in words is "twenty trillion, three hundred fifty-two billion, three hundred sixteen million, six hundred three thousand, twenty-five".