20302211320003 has 4 divisors (see below), whose sum is σ = 20426764763848. Its totient is φ = 20177657876160.

The previous prime is 20302211319997. The next prime is 20302211320009. The reversal of 20302211320003 is 30002311220302.

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

It is an interprime number because it is at equal distance from previous prime (20302211319997) and next prime (20302211320009).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20302211320003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20302211320009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62276721678 + ... + 62276722003.

It is an arithmetic number, because the mean of its divisors is an integer number (5106691190962).

Almost surely, 2^{20302211320003} is an apocalyptic number.

20302211320003 is a deficient number, since it is larger than the sum of its proper divisors (124553443845).

20302211320003 is a wasteful number, since it uses less digits than its factorization.

20302211320003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124553443844.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 20302211320003 its reverse (30002311220302), we get a palindrome (50304522540305).

The spelling of 20302211320003 in words is "twenty trillion, three hundred two billion, two hundred eleven million, three hundred twenty thousand, three".