20245523035 has 4 divisors (see below), whose sum is σ = 24294627648. Its totient is φ = 16196418424.

The previous prime is 20245523029. The next prime is 20245523047. The reversal of 20245523035 is 53032554202.

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

It is a cyclic number.

It is not a de Polignac number, because 20245523035 - 2³ = 20245523027 is a prime.

It is a super-2 number, since 2×20245523035² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20245522988 and 20245523006.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2024552299 + ... + 2024552308.

It is an arithmetic number, because the mean of its divisors is an integer number (6073656912).

Almost surely, 2^20245523035 is an apocalyptic number.

20245523035 is a deficient number, since it is larger than the sum of its proper divisors (4049104613).

20245523035 is an equidigital number, since it uses as much as digits as its factorization.

20245523035 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4049104612.

The product of its (nonzero) digits is 36000, while the sum is 31.

The spelling of 20245523035 in words is "twenty billion, two hundred forty-five million, five hundred twenty-three thousand, thirty-five".