2105520234 has 32 divisors (see below), whose sum is σ = 4545659520. Its totient is φ = 648174912.

The previous prime is 2105520223. The next prime is 2105520247. The reversal of 2105520234 is 4320255012.

It is a Curzon number.

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, 259057 + ... + 267060.

It is an arithmetic number, because the mean of its divisors is an integer number (142051860).

Almost surely, 2^2105520234 is an apocalyptic number.

2105520234 is an abundant number, since it is smaller than the sum of its proper divisors (2440139286).

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

2105520234 is a wasteful number, since it uses less digits than its factorization.

2105520234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 526174.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 2105520234 is about 45885.9481105055. The cubic root of 2105520234 is about 1281.7002620571.

Adding to 2105520234 its reverse (4320255012), we get a palindrome (6425775246).

The spelling of 2105520234 in words is "two billion, one hundred five million, five hundred twenty thousand, two hundred thirty-four".