20340031001 has 4 divisors (see below), whose sum is σ = 20526636900. Its totient is φ = 20153425104.

The previous prime is 20340030973. The next prime is 20340031007. The reversal of 20340031001 is 10013004302.

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 16978350601 + 3361680400 = 130301^2 + 57980^2 .

It is a cyclic number.

It is not a de Polignac number, because 20340031001 - 2⁶ = 20340030937 is a prime.

It is a super-2 number, since 2×20340031001² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20340031007) 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, 93302786 + ... + 93303003.

It is an arithmetic number, because the mean of its divisors is an integer number (5131659225).

Almost surely, 2^20340031001 is an apocalyptic number.

It is an amenable number.

20340031001 is a deficient number, since it is larger than the sum of its proper divisors (186605899).

20340031001 is a wasteful number, since it uses less digits than its factorization.

20340031001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186605898.

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 20340031001 its reverse (10013004302), we get a palindrome (30353035303).

The spelling of 20340031001 in words is "twenty billion, three hundred forty million, thirty-one thousand, one".