20202022225 has 24 divisors (see below), whose sum is σ = 31231804608. Its totient is φ = 12593467200.

The previous prime is 20202022189. The next prime is 20202022241. The reversal of 20202022225 is 52222020202.

It is not a de Polignac number, because 20202022225 - 2¹⁷ = 20201891153 is a prime.

It is a Duffinian 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, 5245354 + ... + 5249203.

It is an arithmetic number, because the mean of its divisors is an integer number (1301325192).

Almost surely, 2^20202022225 is an apocalyptic number.

20202022225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20202022225 is a deficient number, since it is larger than the sum of its proper divisors (11029782383).

20202022225 is a wasteful number, since it uses less digits than its factorization.

20202022225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10494585 (or 10494580 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 19.

Adding to 20202022225 its reverse (52222020202), we get a palindrome (72424042427).

The spelling of 20202022225 in words is "twenty billion, two hundred two million, twenty-two thousand, two hundred twenty-five".