2051250520 has 64 divisors (see below), whose sum is σ = 5129943840. Its totient is φ = 731827200.

The previous prime is 2051250503. The next prime is 2051250521. The reversal of 2051250520 is 250521502.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 2051250491 and 2051250500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2051250521) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20661 + ... + 67300.

Almost surely, 2^2051250520 is an apocalyptic number.

2051250520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2051250520 is an abundant number, since it is smaller than the sum of its proper divisors (3078693320).

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

2051250520 is a wasteful number, since it uses less digits than its factorization.

2051250520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88036 (or 88032 counting only the distinct ones).

The product of its (nonzero) digits is 1000, while the sum is 22.

The square root of 2051250520 is about 45290.7332685175. The cubic root of 2051250520 is about 1270.5923456640.

The spelling of 2051250520 in words is "two billion, fifty-one million, two hundred fifty thousand, five hundred twenty".