21204324110032 has 60 divisors (see below), whose sum is σ = 47791498593636. Its totient is φ = 9087447613440.

The previous prime is 21204324109987. The next prime is 21204324110051. The reversal of 21204324110032 is 23001142340212.

21204324110032 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 987646390416 + 20216677719616 = 993804^2 + 4496296^2 .

It is a junction number, because it is equal to n+sod(n) for n = 21204324109979 and 21204324110006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 85577682 + ... + 85825102.

Almost surely, 2^{21204324110032} is an apocalyptic number.

It is an amenable number.

21204324110032 is an abundant number, since it is smaller than the sum of its proper divisors (26587174483604).

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

21204324110032 is a wasteful number, since it uses less digits than its factorization.

21204324110032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 356756 (or 356743 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 21204324110032 its reverse (23001142340212), we get a palindrome (44205466450244).

The spelling of 21204324110032 in words is "twenty-one trillion, two hundred four billion, three hundred twenty-four million, one hundred ten thousand, thirty-two".