20000271453 has 4 divisors (see below), whose sum is σ = 26667028608. Its totient is φ = 13333514300.

The previous prime is 20000271427. The next prime is 20000271491. The reversal of 20000271453 is 35417200002.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 20000271453 - 2²² = 19996077149 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20000271493) 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, 3333378573 + ... + 3333378578.

It is an arithmetic number, because the mean of its divisors is an integer number (6666757152).

Almost surely, 2^20000271453 is an apocalyptic number.

It is an amenable number.

20000271453 is a deficient number, since it is larger than the sum of its proper divisors (6666757155).

20000271453 is an equidigital number, since it uses as much as digits as its factorization.

20000271453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6666757154.

The product of its (nonzero) digits is 1680, while the sum is 24.

Adding to 20000271453 its reverse (35417200002), we get a palindrome (55417471455).

The spelling of 20000271453 in words is "twenty billion, two hundred seventy-one thousand, four hundred fifty-three".