20500245231335 has 4 divisors (see below), whose sum is σ = 24600294277608. Its totient is φ = 16400196185064.

The previous prime is 20500245231317. The next prime is 20500245231353. The reversal of 20500245231335 is 53313254200502.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (20500245231317) and next prime (20500245231353).

It is a cyclic number.

It is not a de Polignac number, because 20500245231335 - 2⁸ = 20500245231079 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20500245231295 and 20500245231304.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2050024523129 + ... + 2050024523138.

It is an arithmetic number, because the mean of its divisors is an integer number (6150073569402).

Almost surely, 2^{20500245231335} is an apocalyptic number.

20500245231335 is a deficient number, since it is larger than the sum of its proper divisors (4100049046273).

20500245231335 is an equidigital number, since it uses as much as digits as its factorization.

20500245231335 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4100049046272.

The product of its (nonzero) digits is 108000, while the sum is 35.

Adding to 20500245231335 its reverse (53313254200502), we get a palindrome (73813499431837).

The spelling of 20500245231335 in words is "twenty trillion, five hundred billion, two hundred forty-five million, two hundred thirty-one thousand, three hundred thirty-five".