20210302120231 has 4 divisors (see below), whose sum is σ = 20210821664112. Its totient is φ = 20209782576352.

The previous prime is 20210302120207. The next prime is 20210302120241. The reversal of 20210302120231 is 13202120301202.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20210302120231 - 2⁷ = 20210302120103 is a prime.

It is a super-2 number, since 2×20210302120231² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20210302120199 and 20210302120208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20210302120241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 259713586 + ... + 259791391.

It is an arithmetic number, because the mean of its divisors is an integer number (5052705416028).

Almost surely, 2^{20210302120231} is an apocalyptic number.

20210302120231 is a deficient number, since it is larger than the sum of its proper divisors (519543881).

20210302120231 is an equidigital number, since it uses as much as digits as its factorization.

20210302120231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 519543880.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 20210302120231 its reverse (13202120301202), we get a palindrome (33412422421433).

The spelling of 20210302120231 in words is "twenty trillion, two hundred ten billion, three hundred two million, one hundred twenty thousand, two hundred thirty-one".