2000452001556 has 12 divisors (see below), whose sum is σ = 4667721336992. Its totient is φ = 666817333848.

The previous prime is 2000452001497. The next prime is 2000452001591. The reversal of 2000452001556 is 6551002540002.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×2000452001556² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83352166720 + ... + 83352166743.

Almost surely, 2^{2000452001556} is an apocalyptic number.

It is an amenable number.

2000452001556 is an abundant number, since it is smaller than the sum of its proper divisors (2667269335436).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2000452001556 is a wasteful number, since it uses less digits than its factorization.

2000452001556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166704333470 (or 166704333468 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 30.

Adding to 2000452001556 its reverse (6551002540002), we get a palindrome (8551454541558).

The spelling of 2000452001556 in words is "two trillion, four hundred fifty-two million, one thousand, five hundred fifty-six".