21322301032 has 16 divisors (see below), whose sum is σ = 40123648260.
Its totient is φ = 10622661504.
The previous prime is 21322301009. The next prime is 21322301057. The reversal of 21322301032 is 23010322312.
Adding to 21322301032 its reverse (23010322312), we get a palindrome (44332623344).
It can be written as a sum of positive squares in 2 ways, for example, as 20565280836 + 757020196 = 143406^2 + 27514^2
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4808773 + ... + 4813204.
Almost surely, 221322301032 is an apocalyptic number.
It is an amenable number.
21322301032 is a deficient number, since it is larger than the sum of its proper divisors (18801347228).
21322301032 is a wasteful number, since it uses less digits than its factorization.
21322301032 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9622260 (or 9622256 counting only the distinct ones).
The product of its (nonzero) digits is 432, while the sum is 19.
The spelling of 21322301032 in words is "twenty-one billion, three hundred twenty-two million, three hundred one thousand, thirty-two".