2000125544 has 8 divisors (see below), whose sum is σ = 3750235410. Its totient is φ = 1000062768.

The previous prime is 2000125541. The next prime is 2000125553. The reversal of 2000125544 is 4455210002.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1398012100 + 602113444 = 37390^2 + 24538^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×2000125544² = 8001004383522591872, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2000125541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 125007839 + ... + 125007854.

Almost surely, 2^2000125544 is an apocalyptic number.

It is an amenable number.

2000125544 is a deficient number, since it is larger than the sum of its proper divisors (1750109866).

2000125544 is a wasteful number, since it uses less digits than its factorization.

2000125544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250015699 (or 250015695 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 2000125544 is about 44722.7631525602. The cubic root of 2000125544 is about 1259.9474119313.

Adding to 2000125544 its reverse (4455210002), we get a palindrome (6455335546).

The spelling of 2000125544 in words is "two billion, one hundred twenty-five thousand, five hundred forty-four".