20203202311 has 8 divisors (see below), whose sum is σ = 20507563760. Its totient is φ = 19898923968.

The previous prime is 20203202309. The next prime is 20203202317. The reversal of 20203202311 is 11320230202.

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

It is a cyclic number.

It is not a de Polignac number, because 20203202311 - 2¹ = 20203202309 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20203202317) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 613555 + ... + 645643.

It is an arithmetic number, because the mean of its divisors is an integer number (2563445470).

Almost surely, 2^20203202311 is an apocalyptic number.

20203202311 is a deficient number, since it is larger than the sum of its proper divisors (304361449).

20203202311 is an equidigital number, since it uses as much as digits as its factorization.

20203202311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41553.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 20203202311 its reverse (11320230202), we get a palindrome (31523432513).

The spelling of 20203202311 in words is "twenty billion, two hundred three million, two hundred two thousand, three hundred eleven".