20011400203001 has 4 divisors (see below), whose sum is σ = 20145704902500. Its totient is φ = 19877095503504.

The previous prime is 20011400202949. The next prime is 20011400203019. The reversal of 20011400203001 is 10030200411002.

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

It can be written as a sum of positive squares in 2 ways, for example, as 10845008166976 + 9166392036025 = 3293176^2 + 3027605^2 .

It is a cyclic number.

It is not a de Polignac number, because 20011400203001 - 2¹⁰ = 20011400201977 is a prime.

It is a super-2 number, since 2×20011400203001² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20011400206001) 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, 67152349526 + ... + 67152349823.

It is an arithmetic number, because the mean of its divisors is an integer number (5036426225625).

Almost surely, 2^{20011400203001} is an apocalyptic number.

It is an amenable number.

20011400203001 is a deficient number, since it is larger than the sum of its proper divisors (134304699499).

20011400203001 is a wasteful number, since it uses less digits than its factorization.

20011400203001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134304699498.

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

Adding to 20011400203001 its reverse (10030200411002), we get a palindrome (30041600614003).

The spelling of 20011400203001 in words is "twenty trillion, eleven billion, four hundred million, two hundred three thousand, one".