20402010111303 has 12 divisors (see below), whose sum is σ = 29539903269240. Its totient is φ = 13568878639536.

The previous prime is 20402010111289. The next prime is 20402010111323. The reversal of 20402010111303 is 30311101020402.

It is not a de Polignac number, because 20402010111303 - 2⁴⁴ = 2809824066887 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20402010111323) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2705115576 + ... + 2705123117.

It is an arithmetic number, because the mean of its divisors is an integer number (2461658605770).

Almost surely, 2^{20402010111303} is an apocalyptic number.

20402010111303 is a deficient number, since it is larger than the sum of its proper divisors (9137893157937).

20402010111303 is a wasteful number, since it uses less digits than its factorization.

20402010111303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5410239118 (or 5410239115 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 20402010111303 its reverse (30311101020402), we get a palindrome (50713111131705).

Subtracting 20402010111303 from its reverse (30311101020402), we obtain a palindrome (9909090909099).

The spelling of 20402010111303 in words is "twenty trillion, four hundred two billion, ten million, one hundred eleven thousand, three hundred three".