20202435355 has 4 divisors (see below), whose sum is σ = 24242922432. Its totient is φ = 16161948280.

The previous prime is 20202435343. The next prime is 20202435361. The reversal of 20202435355 is 55353420202.

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

It is not a de Polignac number, because 20202435355 - 2²⁵ = 20168880923 is a prime.

It is a Duffinian 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, 2020243531 + ... + 2020243540.

It is an arithmetic number, because the mean of its divisors is an integer number (6060730608).

Almost surely, 2^20202435355 is an apocalyptic number.

20202435355 is a deficient number, since it is larger than the sum of its proper divisors (4040487077).

20202435355 is an equidigital number, since it uses as much as digits as its factorization.

20202435355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4040487076.

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

Adding to 20202435355 its reverse (55353420202), we get a palindrome (75555855557).

The spelling of 20202435355 in words is "twenty billion, two hundred two million, four hundred thirty-five thousand, three hundred fifty-five".