21352270362 has 32 divisors (see below), whose sum is σ = 43755513984. Its totient is φ = 6942336000.

The previous prime is 21352270339. The next prime is 21352270367. The reversal of 21352270362 is 26307225312.

It is a super-2 number, since 2×21352270362² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (21352270367) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2197098 + ... + 2206794.

It is an arithmetic number, because the mean of its divisors is an integer number (1367359812).

Almost surely, 2^21352270362 is an apocalyptic number.

21352270362 is an abundant number, since it is smaller than the sum of its proper divisors (22403243622).

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

21352270362 is a wasteful number, since it uses less digits than its factorization.

21352270362 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18694.

The product of its (nonzero) digits is 30240, while the sum is 33.

Adding to 21352270362 its reverse (26307225312), we get a palindrome (47659495674).

The spelling of 21352270362 in words is "twenty-one billion, three hundred fifty-two million, two hundred seventy thousand, three hundred sixty-two".