21024033234 has 16 divisors (see below), whose sum is σ = 42054307488. Its totient is φ = 7006970912.

The previous prime is 21024033221. The next prime is 21024033287. The reversal of 21024033234 is 43233042012.

21024033234 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 215667 + ... + 297590.

It is an arithmetic number, because the mean of its divisors is an integer number (2628394218).

Almost surely, 2^21024033234 is an apocalyptic number.

21024033234 is an abundant number, since it is smaller than the sum of its proper divisors (21030274254).

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

21024033234 is a wasteful number, since it uses less digits than its factorization.

21024033234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 520089.

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 21024033234 its reverse (43233042012), we get a palindrome (64257075246).

The spelling of 21024033234 in words is "twenty-one billion, twenty-four million, thirty-three thousand, two hundred thirty-four".