20301103021 has 8 divisors (see below), whose sum is σ = 20957657600. Its totient is φ = 19644653520.

The previous prime is 20301103003. The next prime is 20301103063. The reversal of 20301103021 is 12030110302.

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 20301103021 - 2⁵ = 20301102989 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20301102992 and 20301103010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20301103001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 616000 + ... + 648118.

It is an arithmetic number, because the mean of its divisors is an integer number (2619707200).

Almost surely, 2^20301103021 is an apocalyptic number.

It is an amenable number.

20301103021 is a deficient number, since it is larger than the sum of its proper divisors (656554579).

20301103021 is a wasteful number, since it uses less digits than its factorization.

20301103021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52539.

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 20301103021 its reverse (12030110302), we get a palindrome (32331213323).

The spelling of 20301103021 in words is "twenty billion, three hundred one million, one hundred three thousand, twenty-one".