20024225545 has 32 divisors (see below), whose sum is σ = 25320667680. Its totient is φ = 15182069760.

The previous prime is 20024225539. The next prime is 20024225561. The reversal of 20024225545 is 54552242002.

It can be written as a sum of positive squares in 16 ways, for example, as 7511342224 + 12512883321 = 86668^2 + 111861^2 .

It is not a de Polignac number, because 20024225545 - 2⁵ = 20024225513 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5831149 + ... + 5834581.

It is an arithmetic number, because the mean of its divisors is an integer number (791270865).

Almost surely, 2^20024225545 is an apocalyptic number.

It is an amenable number.

20024225545 is a deficient number, since it is larger than the sum of its proper divisors (5296442135).

20024225545 is a wasteful number, since it uses less digits than its factorization.

20024225545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4285.

The product of its (nonzero) digits is 32000, while the sum is 31.

Adding to 20024225545 its reverse (54552242002), we get a palindrome (74576467547).

The spelling of 20024225545 in words is "twenty billion, twenty-four million, two hundred twenty-five thousand, five hundred forty-five".