21332022330 has 16 divisors (see below), whose sum is σ = 51196853664. Its totient is φ = 5688539280.

The previous prime is 21332022329. The next prime is 21332022353. The reversal of 21332022330 is 3322023312.

It is a junction number, because it is equal to n+sod(n) for n = 21332022297 and 21332022306.

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, 355533676 + ... + 355533735.

It is an arithmetic number, because the mean of its divisors is an integer number (3199803354).

Almost surely, 2^21332022330 is an apocalyptic number.

21332022330 is an abundant number, since it is smaller than the sum of its proper divisors (29864831334).

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

21332022330 is a wasteful number, since it uses less digits than its factorization.

21332022330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 711067421.

The product of its (nonzero) digits is 1296, while the sum is 21.

Adding to 21332022330 its reverse (3322023312), we get a palindrome (24654045642).

The spelling of 21332022330 in words is "twenty-one billion, three hundred thirty-two million, twenty-two thousand, three hundred thirty".