20225548601 has 8 divisors (see below), whose sum is σ = 21417149160. Its totient is φ = 19034155008.

The previous prime is 20225548549. The next prime is 20225548627. The reversal of 20225548601 is 10684552202.

It can be written as a sum of positive squares in 4 ways, for example, as 13386258601 + 6839290000 = 115699^2 + 82700^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20225548601 - 2²⁶ = 20158439737 is a prime.

It is a super-2 number, since 2×20225548601² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20225548661) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 178865 + ... + 269153.

It is an arithmetic number, because the mean of its divisors is an integer number (2677143645).

Almost surely, 2^20225548601 is an apocalyptic number.

It is an amenable number.

20225548601 is a deficient number, since it is larger than the sum of its proper divisors (1191600559).

20225548601 is a wasteful number, since it uses less digits than its factorization.

20225548601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103483.

The product of its (nonzero) digits is 38400, while the sum is 35.

The spelling of 20225548601 in words is "twenty billion, two hundred twenty-five million, five hundred forty-eight thousand, six hundred one".