20025523332400 has 60 divisors (see below), whose sum is σ = 48788944097904. Its totient is φ = 7897389472000.

The previous prime is 20025523332379. The next prime is 20025523332533. The reversal of 20025523332400 is 423332552002.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 352533631 + ... + 352590430.

Almost surely, 2^{20025523332400} is an apocalyptic number.

20025523332400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20025523332400 is an abundant number, since it is smaller than the sum of its proper divisors (28763420765504).

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

20025523332400 is a wasteful number, since it uses less digits than its factorization.

20025523332400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 705124150 (or 705124139 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 31.

Adding to 20025523332400 its reverse (423332552002), we get a palindrome (20448855884402).

The spelling of 20025523332400 in words is "twenty trillion, twenty-five billion, five hundred twenty-three million, three hundred thirty-two thousand, four hundred".