20310101 has 8 divisors (see below), whose sum is σ = 23605440. Its totient is φ = 17113248.

The previous prime is 20310091. The next prime is 20310119. The reversal of 20310101 is 10101302.

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 20310101 - 2²² = 16115797 is a prime.

It is a super-3 number, since 3×20310101³ (a number of 23 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20310131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24176 + ... + 25001.

It is an arithmetic number, because the mean of its divisors is an integer number (2950680).

Almost surely, 2^20310101 is an apocalyptic number.

It is an amenable number.

20310101 is a deficient number, since it is larger than the sum of its proper divisors (3295339).

20310101 is an equidigital number, since it uses as much as digits as its factorization.

20310101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49243.

The product of its (nonzero) digits is 6, while the sum is 8.

The square root of 20310101 is about 4506.6729413171. The cubic root of 20310101 is about 272.8374787976.

Adding to 20310101 its reverse (10101302), we get a palindrome (30411403).

The spelling of 20310101 in words is "twenty million, three hundred ten thousand, one hundred one".