2051332520 has 32 divisors (see below), whose sum is σ = 4667365800. Its totient is φ = 811312128.

The previous prime is 2051332519. The next prime is 2051332529. The reversal of 2051332520 is 252331502.

It can be written as a sum of positive squares in 4 ways, for example, as 1324814404 + 726518116 = 36398^2 + 26954^2 .

It is not an unprimeable number, because it can be changed into a prime (2051332529) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 284549 + ... + 291668.

Almost surely, 2^2051332520 is an apocalyptic number.

2051332520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2051332520 is an abundant number, since it is smaller than the sum of its proper divisors (2616033280).

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

2051332520 is a wasteful number, since it uses less digits than its factorization.

2051332520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 576317 (or 576313 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 2051332520 is about 45291.6385219170. The cubic root of 2051332520 is about 1270.6092763417.

The spelling of 2051332520 in words is "two billion, fifty-one million, three hundred thirty-two thousand, five hundred twenty".