20445411025 has 24 divisors (see below), whose sum is σ = 27937448000. Its totient is φ = 14747019840.

The previous prime is 20445411013. The next prime is 20445411043. The reversal of 20445411025 is 52011454402.

It is not a de Polignac number, because 20445411025 - 2¹³ = 20445402833 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20445410984 and 20445411002.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 717525 + ... + 745474.

Almost surely, 2^20445411025 is an apocalyptic number.

20445411025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20445411025 is a deficient number, since it is larger than the sum of its proper divisors (7492036975).

20445411025 is a wasteful number, since it uses less digits than its factorization.

20445411025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1463065 (or 1463060 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 28.

Adding to 20445411025 its reverse (52011454402), we get a palindrome (72456865427).

The spelling of 20445411025 in words is "twenty billion, four hundred forty-five million, four hundred eleven thousand, twenty-five".