20025301345 has 16 divisors (see below), whose sum is σ = 27601286400. Its totient is φ = 13662627264.

The previous prime is 20025301337. The next prime is 20025301391. The reversal of 20025301345 is 54310352002.

It is a cyclic number.

It is not a de Polignac number, because 20025301345 - 2³ = 20025301337 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1430602 + ... + 1444531.

It is an arithmetic number, because the mean of its divisors is an integer number (1725080400).

Almost surely, 2^20025301345 is an apocalyptic number.

It is an amenable number.

20025301345 is a deficient number, since it is larger than the sum of its proper divisors (7575985055).

20025301345 is a wasteful number, since it uses less digits than its factorization.

20025301345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2875344.

The product of its (nonzero) digits is 3600, while the sum is 25.

Adding to 20025301345 its reverse (54310352002), we get a palindrome (74335653347).

The spelling of 20025301345 in words is "twenty billion, twenty-five million, three hundred one thousand, three hundred forty-five".