20225125200 has 120 divisors (see below), whose sum is σ = 74043251008. Its totient is φ = 4622883840.

The previous prime is 20225125177. The next prime is 20225125213. The reversal of 20225125200 is 252152202.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1195477 + ... + 1212276.

Almost surely, 2^20225125200 is an apocalyptic number.

20225125200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20225125200 is an abundant number, since it is smaller than the sum of its proper divisors (53818125808).

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

20225125200 is a wasteful number, since it uses less digits than its factorization.

20225125200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2407781 (or 2407770 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 21.

Adding to 20225125200 its reverse (252152202), we get a palindrome (20477277402).

The spelling of 20225125200 in words is "twenty billion, two hundred twenty-five million, one hundred twenty-five thousand, two hundred".