202532420 has 12 divisors (see below), whose sum is σ = 425318124. Its totient is φ = 81012960.

The previous prime is 202532417. The next prime is 202532431. The reversal of 202532420 is 24235202.

It can be written as a sum of positive squares in 2 ways, for example, as 110334016 + 92198404 = 10504^2 + 9602^2 .

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 10126621 = 202532420 / (2 + 0 + 2 + 5 + 3 + 2 + 4 + 2 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 202532392 and 202532401.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5063291 + ... + 5063330.

It is an arithmetic number, because the mean of its divisors is an integer number (35443177).

Almost surely, 2^202532420 is an apocalyptic number.

202532420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202532420 is an abundant number, since it is smaller than the sum of its proper divisors (222785704).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

202532420 is a wasteful number, since it uses less digits than its factorization.

202532420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10126630 (or 10126628 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 202532420 is about 14231.3885478544. The cubic root of 202532420 is about 587.2614827769.

Adding to 202532420 its reverse (24235202), we get a palindrome (226767622).

The spelling of 202532420 in words is "two hundred two million, five hundred thirty-two thousand, four hundred twenty".