2051020228 has 12 divisors (see below), whose sum is σ = 3602934720. Its totient is φ = 1021610312.

The previous prime is 2051020201. The next prime is 2051020229. The reversal of 2051020228 is 8220201502.

It is a junction number, because it is equal to n+sod(n) for n = 2051020199 and 2051020208.

It is not an unprimeable number, because it can be changed into a prime (2051020229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 973768 + ... + 975871.

It is an arithmetic number, because the mean of its divisors is an integer number (300244560).

Almost surely, 2^2051020228 is an apocalyptic number.

It is an amenable number.

2051020228 is a deficient number, since it is larger than the sum of its proper divisors (1551914492).

2051020228 is a wasteful number, since it uses less digits than its factorization.

2051020228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1949906 (or 1949904 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 22.

The square root of 2051020228 is about 45288.1908227741. The cubic root of 2051020228 is about 1270.5447944750.

The spelling of 2051020228 in words is "two billion, fifty-one million, twenty thousand, two hundred twenty-eight".