2051130220 has 48 divisors (see below), whose sum is σ = 4360220928. Its totient is φ = 810425600.

The previous prime is 2051130217. The next prime is 2051130233. The reversal of 2051130220 is 220311502.

It is a junction number, because it is equal to n+sod(n) for n = 2051130194 and 2051130203.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1124229 + ... + 1126051.

It is an arithmetic number, because the mean of its divisors is an integer number (90837936).

Almost surely, 2^2051130220 is an apocalyptic number.

2051130220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2051130220 is an abundant number, since it is smaller than the sum of its proper divisors (2309090708).

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

2051130220 is a wasteful number, since it uses less digits than its factorization.

2051130220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2490 (or 2488 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 2051130220 is about 45289.4051627972. The cubic root of 2051130220 is about 1270.5675063045.

Adding to 2051130220 its reverse (220311502), we get a palindrome (2271441722).

The spelling of 2051130220 in words is "two billion, fifty-one million, one hundred thirty thousand, two hundred twenty".