21325105420362 has 24 divisors (see below), whose sum is σ = 46221616350624. Its totient is φ = 7105719046824.

The previous prime is 21325105420349. The next prime is 21325105420369. The reversal of 21325105420362 is 26302450152312.

21325105420362 is a `hidden beast` number, since 2 + 1 + 3 + 2 + 51 + 0 + 542 + 0 + 3 + 62 = 666.

It is a super-2 number, since 2×21325105420362² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (21325105420369) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 220735918 + ... + 220832505.

It is an arithmetic number, because the mean of its divisors is an integer number (1925900681276).

Almost surely, 2^{21325105420362} is an apocalyptic number.

21325105420362 is an abundant number, since it is smaller than the sum of its proper divisors (24896510930262).

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

21325105420362 is a wasteful number, since it uses less digits than its factorization.

21325105420362 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 441571114 (or 441571111 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

Adding to 21325105420362 its reverse (26302450152312), we get a palindrome (47627555572674).

The spelling of 21325105420362 in words is "twenty-one trillion, three hundred twenty-five billion, one hundred five million, four hundred twenty thousand, three hundred sixty-two".