202421235130 has 32 divisors (see below), whose sum is σ = 375723339264. Its totient is φ = 78476365056.

The previous prime is 202421235101. The next prime is 202421235151. The reversal of 202421235130 is 31532124202.

It is a super-2 number, since 2×202421235130² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 202421235095 and 202421235104.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2042287 + ... + 2139106.

It is an arithmetic number, because the mean of its divisors is an integer number (11741354352).

Almost surely, 2^202421235130 is an apocalyptic number.

202421235130 is a deficient number, since it is larger than the sum of its proper divisors (173302104134).

202421235130 is a wasteful number, since it uses less digits than its factorization.

202421235130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4181550.

The product of its (nonzero) digits is 2880, while the sum is 25.

Adding to 202421235130 its reverse (31532124202), we get a palindrome (233953359332).

The spelling of 202421235130 in words is "two hundred two billion, four hundred twenty-one million, two hundred thirty-five thousand, one hundred thirty".