2051800152 has 32 divisors (see below), whose sum is σ = 5145017280. Its totient is φ = 681864480.

The previous prime is 2051800147. The next prime is 2051800211. The reversal of 2051800152 is 2510081502.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121198 + ... + 137085.

It is an arithmetic number, because the mean of its divisors is an integer number (160781790).

Almost surely, 2^2051800152 is an apocalyptic number.

It is an amenable number.

2051800152 is an abundant number, since it is smaller than the sum of its proper divisors (3093217128).

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

2051800152 is a wasteful number, since it uses less digits than its factorization.

2051800152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258623 (or 258619 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 24.

The square root of 2051800152 is about 45296.8006817259. The cubic root of 2051800152 is about 1270.7058204834.

Adding to 2051800152 its reverse (2510081502), we get a palindrome (4561881654).

The spelling of 2051800152 in words is "two billion, fifty-one million, eight hundred thousand, one hundred fifty-two".