20225116 has 6 divisors (see below), whose sum is σ = 35393960. Its totient is φ = 10112556.

The previous prime is 20225083. The next prime is 20225123. The reversal of 20225116 is 61152202.

It is a junction number, because it is equal to n+sod(n) for n = 20225093 and 20225102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2528136 + ... + 2528143.

Almost surely, 2^20225116 is an apocalyptic number.

It is an amenable number.

20225116 is a deficient number, since it is larger than the sum of its proper divisors (15168844).

20225116 is a wasteful number, since it uses less digits than its factorization.

20225116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5056283 (or 5056281 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 20225116 is about 4497.2342611876. The cubic root of 20225116 is about 272.4563956827.

Adding to 20225116 its reverse (61152202), we get a palindrome (81377318).

The spelling of 20225116 in words is "twenty million, two hundred twenty-five thousand, one hundred sixteen".