2000452231021 has 4 divisors (see below), whose sum is σ = 2000524344544. Its totient is φ = 2000380117500.

The previous prime is 2000452230943. The next prime is 2000452231027. The reversal of 2000452231021 is 1201322540002.

It is a happy number.

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 a de Polignac number, because none of the positive numbers 2^k-2000452231021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2000452230983 and 2000452231001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2000452231027) 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, 36015135 + ... + 36070636.

It is an arithmetic number, because the mean of its divisors is an integer number (500131086136).

Almost surely, 2^{2000452231021} is an apocalyptic number.

It is an amenable number.

2000452231021 is a deficient number, since it is larger than the sum of its proper divisors (72113523).

2000452231021 is an equidigital number, since it uses as much as digits as its factorization.

2000452231021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72113522.

The product of its (nonzero) digits is 960, while the sum is 22.

Adding to 2000452231021 its reverse (1201322540002), we get a palindrome (3201774771023).

The spelling of 2000452231021 in words is "two trillion, four hundred fifty-two million, two hundred thirty-one thousand, twenty-one".