20401230101 has 16 divisors (see below), whose sum is σ = 23676825600. Its totient is φ = 17217156528.

The previous prime is 20401230079. The next prime is 20401230127. The reversal of 20401230101 is 10103210402.

It is a cyclic number.

It is not a de Polignac number, because 20401230101 - 2²⁶ = 20334121237 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20401233101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 147146 + ... + 249908.

It is an arithmetic number, because the mean of its divisors is an integer number (1479801600).

Almost surely, 2^20401230101 is an apocalyptic number.

It is an amenable number.

20401230101 is a deficient number, since it is larger than the sum of its proper divisors (3275595499).

20401230101 is a wasteful number, since it uses less digits than its factorization.

20401230101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103208.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 20401230101 its reverse (10103210402), we get a palindrome (30504440503).

The spelling of 20401230101 in words is "twenty billion, four hundred one million, two hundred thirty thousand, one hundred one".