420131522432025 has 36 divisors (see below), whose sum is σ = 770002290019248. Its totient is φ = 218859211680480.

The previous prime is 420131522432009. The next prime is 420131522432051. The reversal of 420131522432025 is 520234225131024.

420131522432025 is a `hidden beast` number, since 4 + 20 + 1 + 31 + 522 + 43 + 20 + 25 = 666.

It is not a de Polignac number, because 420131522432025 - 2⁴ = 420131522432009 is a prime.

It is a super-2 number, since 2×420131522432025² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 21712213707 + ... + 21712233056.

Almost surely, 2^{420131522432025} is an apocalyptic number.

420131522432025 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

420131522432025 is a deficient number, since it is larger than the sum of its proper divisors (349870767587223).

420131522432025 is a wasteful number, since it uses less digits than its factorization.

420131522432025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43424446822 (or 43424446814 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 36.

Adding to 420131522432025 its reverse (520234225131024), we get a palindrome (940365747563049).

The spelling of 420131522432025 in words is "four hundred twenty trillion, one hundred thirty-one billion, five hundred twenty-two million, four hundred thirty-two thousand, twenty-five".