20302121103003 has 12 divisors (see below), whose sum is σ = 29325328512480. Its totient is φ = 13534727798256.

The previous prime is 20302121103001. The next prime is 20302121103037. The reversal of 20302121103003 is 30030112120302.

It is not a de Polignac number, because 20302121103003 - 2¹ = 20302121103001 is a prime.

It is a super-2 number, since 2×20302121103003² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20302121103001) 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, 7780750 + ... + 10057052.

It is an arithmetic number, because the mean of its divisors is an integer number (2443777376040).

Almost surely, 2^{20302121103003} is an apocalyptic number.

20302121103003 is a deficient number, since it is larger than the sum of its proper divisors (9023207409477).

20302121103003 is a wasteful number, since it uses less digits than its factorization.

20302121103003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3267298 (or 3267295 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 20302121103003 its reverse (30030112120302), we get a palindrome (50332233223305).

The spelling of 20302121103003 in words is "twenty trillion, three hundred two billion, one hundred twenty-one million, one hundred three thousand, three".