20244335333225 has 24 divisors (see below), whose sum is σ = 25515001523928. Its totient is φ = 15929655667200.

The previous prime is 20244335333207. The next prime is 20244335333231. The reversal of 20244335333225 is 52233353344202.

It can be written as a sum of positive squares in 12 ways, for example, as 4962326506384 + 15282008826841 = 2227628^2 + 3909221^2 .

It is not a de Polignac number, because 20244335333225 - 2²² = 20244331138921 is a prime.

It is a super-2 number, since 2×20244335333225² (a number of 27 digits) contains 22 as substring.

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, 105521087 + ... + 105712763.

It is an arithmetic number, because the mean of its divisors is an integer number (1063125063497).

Almost surely, 2^{20244335333225} is an apocalyptic number.

20244335333225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20244335333225 is a deficient number, since it is larger than the sum of its proper divisors (5270666190703).

20244335333225 is a wasteful number, since it uses less digits than its factorization.

20244335333225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261005 (or 261000 counting only the distinct ones).

The product of its (nonzero) digits is 1555200, while the sum is 41.

Adding to 20244335333225 its reverse (52233353344202), we get a palindrome (72477688677427).

The spelling of 20244335333225 in words is "twenty trillion, two hundred forty-four billion, three hundred thirty-five million, three hundred thirty-three thousand, two hundred twenty-five".