2002052090 has 16 divisors (see below), whose sum is σ = 3815676072. Its totient is φ = 753713664.

The previous prime is 2002052081. The next prime is 2002052113. The reversal of 2002052090 is 902502002.

It can be written as a sum of positive squares in 4 ways, for example, as 1957443049 + 44609041 = 44243^2 + 6679^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5888219 + ... + 5888558.

Almost surely, 2^2002052090 is an apocalyptic number.

2002052090 is a deficient number, since it is larger than the sum of its proper divisors (1813623982).

2002052090 is a wasteful number, since it uses less digits than its factorization.

2002052090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11776801.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 2002052090 is about 44744.2967315389. The cubic root of 2002052090 is about 1260.3518144984.

Adding to 2002052090 its reverse (902502002), we get a palindrome (2904554092).

The spelling of 2002052090 in words is "two billion, two million, fifty-two thousand, ninety".