63520203 has 16 divisors (see below), whose sum is σ = 86028800. Its totient is φ = 41684544.

The previous prime is 63520189. The next prime is 63520207. The reversal of 63520203 is 30202536.

It is not a de Polignac number, because 63520203 - 2⁶ = 63520139 is a prime.

It is a super-2 number, since 2×63520203² = 8069632378322418, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 63520203.

It is not an unprimeable number, because it can be changed into a prime (63520207) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60975 + ... + 62007.

It is an arithmetic number, because the mean of its divisors is an integer number (5376800).

Almost surely, 2^63520203 is an apocalyptic number.

63520203 is a deficient number, since it is larger than the sum of its proper divisors (22508597).

63520203 is a wasteful number, since it uses less digits than its factorization.

63520203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1338.

The product of its (nonzero) digits is 1080, while the sum is 21.

The square root of 63520203 is about 7969.9562734058. The cubic root of 63520203 is about 398.9979145751.

Adding to 63520203 its reverse (30202536), we get a palindrome (93722739).

The spelling of 63520203 in words is "sixty-three million, five hundred twenty thousand, two hundred three".