21204032024130 has 128 divisors (see below), whose sum is σ = 52408708128000. Its totient is φ = 5488918118400.

The previous prime is 21204032024107. The next prime is 21204032024141. The reversal of 21204032024130 is 3142023040212.

It is a happy number.

It is a super-2 number, since 2×21204032024130² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 21204032024130.

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 63 ways as a sum of consecutive naturals, for example, 31111246 + ... + 31785494.

It is an arithmetic number, because the mean of its divisors is an integer number (409443032250).

Almost surely, 2^{21204032024130} is an apocalyptic number.

21204032024130 is an abundant number, since it is smaller than the sum of its proper divisors (31204676103870).

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

21204032024130 is a wasteful number, since it uses less digits than its factorization.

21204032024130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 674564.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 21204032024130 its reverse (3142023040212), we get a palindrome (24346055064342).

The spelling of 21204032024130 in words is "twenty-one trillion, two hundred four billion, thirty-two million, twenty-four thousand, one hundred thirty".