202020052 has 12 divisors (see below), whose sum is σ = 380730196. Its totient is φ = 93240000.

The previous prime is 202020029. The next prime is 202020083. The reversal of 202020052 is 250020202.

It can be written as a sum of positive squares in 2 ways, for example, as 81108036 + 120912016 = 9006^2 + 10996^2 .

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1942449 + ... + 1942552.

Almost surely, 2^202020052 is an apocalyptic number.

It is an amenable number.

202020052 is a deficient number, since it is larger than the sum of its proper divisors (178710144).

202020052 is a wasteful number, since it uses less digits than its factorization.

202020052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3885018 (or 3885016 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 13.

The square root of 202020052 is about 14213.3758129447. The cubic root of 202020052 is about 586.7658451184.

Adding to 202020052 its reverse (250020202), we get a palindrome (452040254).

The spelling of 202020052 in words is "two hundred two million, twenty thousand, fifty-two".