21410201320 has 16 divisors (see below), whose sum is σ = 48172953060. Its totient is φ = 8564080512.

The previous prime is 21410201311. The next prime is 21410201321. The reversal of 21410201320 is 2310201412.

It can be written as a sum of positive squares in 2 ways, for example, as 20020552036 + 1389649284 = 141494^2 + 37278^2 .

It is a junction number, because it is equal to n+sod(n) for n = 21410201294 and 21410201303.

It is not an unprimeable number, because it can be changed into a prime (21410201321) 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, 267627477 + ... + 267627556.

Almost surely, 2^21410201320 is an apocalyptic number.

21410201320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21410201320 is an abundant number, since it is smaller than the sum of its proper divisors (26762751740).

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

21410201320 is a wasteful number, since it uses less digits than its factorization.

21410201320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 535255044 (or 535255040 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 21410201320 its reverse (2310201412), we get a palindrome (23720402732).

The spelling of 21410201320 in words is "twenty-one billion, four hundred ten million, two hundred one thousand, three hundred twenty".