20225104170 has 64 divisors (see below), whose sum is σ = 51412320000. Its totient is φ = 5074449408.

The previous prime is 20225104127. The next prime is 20225104177. The reversal of 20225104170 is 7140152202.

It is a self number, because there is not a number n which added to its sum of digits gives 20225104170.

It is not an unprimeable number, because it can be changed into a prime (20225104177) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2545524 + ... + 2553456.

It is an arithmetic number, because the mean of its divisors is an integer number (803317500).

Almost surely, 2^20225104170 is an apocalyptic number.

20225104170 is an abundant number, since it is smaller than the sum of its proper divisors (31187215830).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20225104170 is a wasteful number, since it uses less digits than its factorization.

20225104170 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12959.

The product of its (nonzero) digits is 1120, while the sum is 24.

Adding to 20225104170 its reverse (7140152202), we get a palindrome (27365256372).

The spelling of 20225104170 in words is "twenty billion, two hundred twenty-five million, one hundred four thousand, one hundred seventy".