2051252120 has 32 divisors (see below), whose sum is σ = 4636033920. Its totient is φ = 816817920.

The previous prime is 2051252117. The next prime is 2051252197. The reversal of 2051252120 is 212521502.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 2051252092 and 2051252101.

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, 106061 + ... + 123900.

It is an arithmetic number, because the mean of its divisors is an integer number (144876060).

Almost surely, 2^2051252120 is an apocalyptic number.

2051252120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2051252120 is an abundant number, since it is smaller than the sum of its proper divisors (2584781800).

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

2051252120 is a wasteful number, since it uses less digits than its factorization.

2051252120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230195 (or 230191 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 2051252120 is about 45290.7509321716. The cubic root of 2051252120 is about 1270.5926760230.

Adding to 2051252120 its reverse (212521502), we get a palindrome (2263773622).

The spelling of 2051252120 in words is "two billion, fifty-one million, two hundred fifty-two thousand, one hundred twenty".