21322020020234 has 8 divisors (see below), whose sum is σ = 31983064855140. Its totient is φ = 10660998401856.

The previous prime is 21322020020233. The next prime is 21322020020251. The reversal of 21322020020234 is 43202002022312.

It can be written as a sum of positive squares in 2 ways, for example, as 15313408165225 + 6008611855009 = 3913235^2 + 2451247^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (21322020020233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3290399 + ... + 7312370.

Almost surely, 2^{21322020020234} is an apocalyptic number.

21322020020234 is a deficient number, since it is larger than the sum of its proper divisors (10661044834906).

21322020020234 is a wasteful number, since it uses less digits than its factorization.

21322020020234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11608264.

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 21322020020234 its reverse (43202002022312), we get a palindrome (64524022042546).

The spelling of 21322020020234 in words is "twenty-one trillion, three hundred twenty-two billion, twenty million, twenty thousand, two hundred thirty-four".