20225548602 has 120 divisors (see below), whose sum is σ = 53815500960. Its totient is φ = 5474362320.

The previous prime is 20225548549. The next prime is 20225548627. The reversal of 20225548602 is 20684552202.

20225548602 is a `hidden beast` number, since 2 + 0 + 2 + 2 + 5 + 5 + 48 + 602 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 808827 + ... + 833457.

It is an arithmetic number, because the mean of its divisors is an integer number (448462508).

Almost surely, 2^20225548602 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20225548602, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26907750480).

20225548602 is an abundant number, since it is smaller than the sum of its proper divisors (33589952358).

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

20225548602 is a wasteful number, since it uses less digits than its factorization.

20225548602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24686 (or 24662 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 36.

The spelling of 20225548602 in words is "twenty billion, two hundred twenty-five million, five hundred forty-eight thousand, six hundred two".