52020202 has 16 divisors (see below), whose sum is σ = 84169512. Its totient is φ = 23970240.

The previous prime is 52020193. The next prime is 52020203. The reversal of 52020202 is 20202025.

It can be written as a sum of positive squares in 4 ways, for example, as 42784681 + 9235521 = 6541^2 + 3039^2 .

It is a super-2 number, since 2×52020202² = 5412202832241608, which contains 22 as substring.

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

52020202 is a modest number, since divided by 20202 gives 52 as remainder.

It is not an unprimeable number, because it can be changed into a prime (52020203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20128 + ... + 22564.

Almost surely, 2^52020202 is an apocalyptic number.

52020202 is a deficient number, since it is larger than the sum of its proper divisors (32149310).

52020202 is a wasteful number, since it uses less digits than its factorization.

52020202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3273.

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

The square root of 52020202 is about 7212.5031715764. The cubic root of 52020202 is about 373.2994454430.

Adding to 52020202 its reverse (20202025), we get a palindrome (72222227).

The spelling of 52020202 in words is "fifty-two million, twenty thousand, two hundred two".