20202445135 has 8 divisors (see below), whose sum is σ = 24244116336. Its totient is φ = 16161168000.

The previous prime is 20202445127. The next prime is 20202445157. The reversal of 20202445135 is 53154420202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20202445135 - 2³ = 20202445127 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29367 + ... + 203143.

It is an arithmetic number, because the mean of its divisors is an integer number (3030514542).

Almost surely, 2^20202445135 is an apocalyptic number.

20202445135 is a deficient number, since it is larger than the sum of its proper divisors (4041671201).

20202445135 is a wasteful number, since it uses less digits than its factorization.

20202445135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197033.

The product of its (nonzero) digits is 9600, while the sum is 28.

Adding to 20202445135 its reverse (53154420202), we get a palindrome (73356865337).

The spelling of 20202445135 in words is "twenty billion, two hundred two million, four hundred forty-five thousand, one hundred thirty-five".