2002530771 has 6 divisors (see below), whose sum is σ = 2892544460. Its totient is φ = 1335020508.

The previous prime is 2002530767. The next prime is 2002530797. The reversal of 2002530771 is 1770352002.

It is not a de Polignac number, because 2002530771 - 2² = 2002530767 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2002530721) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 111251701 + ... + 111251718.

Almost surely, 2^2002530771 is an apocalyptic number.

2002530771 is a deficient number, since it is larger than the sum of its proper divisors (890013689).

2002530771 is a wasteful number, since it uses less digits than its factorization.

2002530771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222503425 (or 222503422 counting only the distinct ones).

The product of its (nonzero) digits is 2940, while the sum is 27.

The square root of 2002530771 is about 44749.6454846293. The cubic root of 2002530771 is about 1260.4522545075.

Adding to 2002530771 its reverse (1770352002), we get a palindrome (3772882773).

The spelling of 2002530771 in words is "two billion, two million, five hundred thirty thousand, seven hundred seventy-one".