20202211353 has 4 divisors (see below), whose sum is σ = 26936281808. Its totient is φ = 13468140900.

The previous prime is 20202211343. The next prime is 20202211357. The reversal of 20202211353 is 35311220202.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a de Polignac number, because none of the positive numbers 2^k-20202211353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20202211357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3367035223 + ... + 3367035228.

It is an arithmetic number, because the mean of its divisors is an integer number (6734070452).

Almost surely, 2^20202211353 is an apocalyptic number.

It is an amenable number.

20202211353 is a deficient number, since it is larger than the sum of its proper divisors (6734070455).

20202211353 is an equidigital number, since it uses as much as digits as its factorization.

20202211353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6734070454.

The product of its (nonzero) digits is 720, while the sum is 21.

Adding to 20202211353 its reverse (35311220202), we get a palindrome (55513431555).

The spelling of 20202211353 in words is "twenty billion, two hundred two million, two hundred eleven thousand, three hundred fifty-three".