20301100021 has 8 divisors (see below), whose sum is σ = 20933978688. Its totient is φ = 19674780000.

The previous prime is 20301100013. The next prime is 20301100033. The reversal of 20301100021 is 12000110302.

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 20301100021 - 2³ = 20301100013 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20301099980 and 20301100007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20301100051) 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, 1633375 + ... + 1645756.

It is an arithmetic number, because the mean of its divisors is an integer number (2616747336).

Almost surely, 2^20301100021 is an apocalyptic number.

It is an amenable number.

20301100021 is a deficient number, since it is larger than the sum of its proper divisors (632878667).

20301100021 is a wasteful number, since it uses less digits than its factorization.

20301100021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3279323.

The product of its (nonzero) digits is 12, while the sum is 10.

Adding to 20301100021 its reverse (12000110302), we get a palindrome (32301210323).

The spelling of 20301100021 in words is "twenty billion, three hundred one million, one hundred thousand, twenty-one".