20302121102003 has 8 divisors (see below), whose sum is σ = 21863873044608. Its totient is φ = 18740376347904.

The previous prime is 20302121101993. The next prime is 20302121102027. The reversal of 20302121102003 is 30020112120302.

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 20302121102003 - 2⁴⁰ = 19202609474227 is a prime.

It is a super-2 number, since 2×20302121102003² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20302121132003) 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, 5028926 + ... + 8117532.

It is an arithmetic number, because the mean of its divisors is an integer number (2732984130576).

Almost surely, 2^{20302121102003} is an apocalyptic number.

20302121102003 is a deficient number, since it is larger than the sum of its proper divisors (1561751942605).

20302121102003 is a wasteful number, since it uses less digits than its factorization.

20302121102003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3594253.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 20302121102003 its reverse (30020112120302), we get a palindrome (50322233222305).

The spelling of 20302121102003 in words is "twenty trillion, three hundred two billion, one hundred twenty-one million, one hundred two thousand, three".