20413421325 has 72 divisors (see below), whose sum is σ = 40859634816. Its totient is φ = 9655968000.

The previous prime is 20413421323. The next prime is 20413421339. The reversal of 20413421325 is 52312431402.

20413421325 is a `hidden beast` number, since 204 + 1 + 3 + 421 + 32 + 5 = 666.

It is not a de Polignac number, because 20413421325 - 2¹ = 20413421323 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20413421323) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 892 + ... + 202058.

It is an arithmetic number, because the mean of its divisors is an integer number (567494928).

Almost surely, 2^20413421325 is an apocalyptic number.

20413421325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20413421325 is an abundant number, since it is smaller than the sum of its proper divisors (20446213491).

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

20413421325 is a wasteful number, since it uses less digits than its factorization.

20413421325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201235 (or 201227 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

Adding to 20413421325 its reverse (52312431402), we get a palindrome (72725852727).

The spelling of 20413421325 in words is "twenty billion, four hundred thirteen million, four hundred twenty-one thousand, three hundred twenty-five".