20001311452 has 24 divisors (see below), whose sum is σ = 35597167200. Its totient is φ = 9831501120.

The previous prime is 20001311443. The next prime is 20001311501. The reversal of 20001311452 is 25411310002.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1783 + ... + 200014.

It is an arithmetic number, because the mean of its divisors is an integer number (1483215300).

Almost surely, 2^20001311452 is an apocalyptic number.

It is an amenable number.

20001311452 is a deficient number, since it is larger than the sum of its proper divisors (15595855748).

20001311452 is a wasteful number, since it uses less digits than its factorization.

20001311452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202221 (or 202219 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

Adding to 20001311452 its reverse (25411310002), we get a palindrome (45412621454).

The spelling of 20001311452 in words is "twenty billion, one million, three hundred eleven thousand, four hundred fifty-two".