2051020223 has 16 divisors (see below), whose sum is σ = 2409259584. Its totient is φ = 1709164800.

The previous prime is 2051020201. The next prime is 2051020229. The reversal of 2051020223 is 3220201502.

It is not a de Polignac number, because 2051020223 - 2¹⁶ = 2050954687 is a prime.

It is a Duffinian number.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 464261 + ... + 468657.

It is an arithmetic number, because the mean of its divisors is an integer number (150578724).

Almost surely, 2^2051020223 is an apocalyptic number.

2051020223 is a deficient number, since it is larger than the sum of its proper divisors (358239361).

2051020223 is a wasteful number, since it uses less digits than its factorization.

2051020223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6242.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 2051020223 is about 45288.1907675721. The cubic root of 2051020223 is about 1270.5447934426.

Adding to 2051020223 its reverse (3220201502), we get a palindrome (5271221725).

The spelling of 2051020223 in words is "two billion, fifty-one million, twenty thousand, two hundred twenty-three".