2105545202 has 4 divisors (see below), whose sum is σ = 3158317806. Its totient is φ = 1052772600.

The previous prime is 2105545193. The next prime is 2105545207. The reversal of 2105545202 is 2025455012.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1455346201 + 650199001 = 38149^2 + 25499^2 .

It is not an unprimeable number, because it can be changed into a prime (2105545207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 526386299 + ... + 526386302.

Almost surely, 2^2105545202 is an apocalyptic number.

2105545202 is a deficient number, since it is larger than the sum of its proper divisors (1052772604).

2105545202 is a wasteful number, since it uses less digits than its factorization.

2105545202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1052772603.

The product of its (nonzero) digits is 4000, while the sum is 26.

The square root of 2105545202 is about 45886.2201755603. The cubic root of 2105545202 is about 1281.7053283213.

The spelling of 2105545202 in words is "two billion, one hundred five million, five hundred forty-five thousand, two hundred two".