22020277025 has 24 divisors (see below), whose sum is σ = 27844077240. Its totient is φ = 17269091840.

The previous prime is 22020276961. The next prime is 22020277033. The reversal of 22020277025 is 52077202022.

It can be written as a sum of positive squares in 12 ways, for example, as 875627281 + 21144649744 = 29591^2 + 145412^2 .

It is not a de Polignac number, because 22020277025 - 2⁶ = 22020276961 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1701479 + ... + 1714371.

It is an arithmetic number, because the mean of its divisors is an integer number (1160169885).

Almost surely, 2^22020277025 is an apocalyptic number.

22020277025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22020277025 is a deficient number, since it is larger than the sum of its proper divisors (5823800215).

22020277025 is a wasteful number, since it uses less digits than its factorization.

22020277025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14245 (or 14240 counting only the distinct ones).

The product of its (nonzero) digits is 7840, while the sum is 29.

Adding to 22020277025 its reverse (52077202022), we get a palindrome (74097479047).

The spelling of 22020277025 in words is "twenty-two billion, twenty million, two hundred seventy-seven thousand, twenty-five".