20222004025 has 12 divisors (see below), whose sum is σ = 25080565500. Its totient is φ = 16174196480.

The previous prime is 20222004017. The next prime is 20222004037. The reversal of 20222004025 is 52040022202.

It can be written as a sum of positive squares in 6 ways, for example, as 1362200464 + 18859803561 = 36908^2 + 137331^2 .

It is not a de Polignac number, because 20222004025 - 2³ = 20222004017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20222003993 and 20222004011.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 39501 + ... + 204949.

It is an arithmetic number, because the mean of its divisors is an integer number (2090047125).

Almost surely, 2^20222004025 is an apocalyptic number.

20222004025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20222004025 is a deficient number, since it is larger than the sum of its proper divisors (4858561475).

20222004025 is a wasteful number, since it uses less digits than its factorization.

20222004025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170348 (or 170343 counting only the distinct ones).

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

Adding to 20222004025 its reverse (52040022202), we get a palindrome (72262026227).

The spelling of 20222004025 in words is "twenty billion, two hundred twenty-two million, four thousand, twenty-five".