20225025227 has 16 divisors (see below), whose sum is σ = 22898937600. Its totient is φ = 17694462240.

The previous prime is 20225025221. The next prime is 20225025241. The reversal of 20225025227 is 72252052202.

It is a cyclic number.

It is not a de Polignac number, because 20225025227 - 2¹⁰ = 20225024203 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a self number, because there is not a number n which added to its sum of digits gives 20225025227.

It is not an unprimeable number, because it can be changed into a prime (20225025221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5327 + ... + 201192.

It is an arithmetic number, because the mean of its divisors is an integer number (1431183600).

Almost surely, 2^20225025227 is an apocalyptic number.

20225025227 is a deficient number, since it is larger than the sum of its proper divisors (2673912373).

20225025227 is a wasteful number, since it uses less digits than its factorization.

20225025227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206866.

The product of its (nonzero) digits is 11200, while the sum is 29.

Adding to 20225025227 its reverse (72252052202), we get a palindrome (92477077429).

The spelling of 20225025227 in words is "twenty billion, two hundred twenty-five million, twenty-five thousand, two hundred twenty-seven".