2021002052 has 6 divisors (see below), whose sum is σ = 3536753598. Its totient is φ = 1010501024.

The previous prime is 2021002043. The next prime is 2021002057. The reversal of 2021002052 is 2502001202.

It can be written as a sum of positive squares in only one way, i.e., 1231729216 + 789272836 = 35096^2 + 28094^2 .

It is not an unprimeable number, because it can be changed into a prime (2021002057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252625253 + ... + 252625260.

It is an arithmetic number, because the mean of its divisors is an integer number (589458933).

Almost surely, 2^2021002052 is an apocalyptic number.

It is an amenable number.

2021002052 is a deficient number, since it is larger than the sum of its proper divisors (1515751546).

2021002052 is a wasteful number, since it uses less digits than its factorization.

2021002052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 505250517 (or 505250515 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 14.

The square root of 2021002052 is about 44955.5564085242. The cubic root of 2021002052 is about 1264.3158568458.

Adding to 2021002052 its reverse (2502001202), we get a palindrome (4523003254).

The spelling of 2021002052 in words is "two billion, twenty-one million, two thousand, fifty-two".