20002233425 has 6 divisors (see below), whose sum is σ = 24802769478. Its totient is φ = 16001786720.

The previous prime is 20002233421. The next prime is 20002233431. The reversal of 20002233425 is 52433220002.

It can be written as a sum of positive squares in 3 ways, for example, as 4879681 + 19997353744 = 2209^2 + 141412^2 .

It is not a de Polignac number, because 20002233425 - 2² = 20002233421 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20002233425.

It is not an unprimeable number, because it can be changed into a prime (20002233421) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 400044644 + ... + 400044693.

It is an arithmetic number, because the mean of its divisors is an integer number (4133794913).

Almost surely, 2^20002233425 is an apocalyptic number.

20002233425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20002233425 is a deficient number, since it is larger than the sum of its proper divisors (4800536053).

20002233425 is an equidigital number, since it uses as much as digits as its factorization.

20002233425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 800089347 (or 800089342 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 23.

Adding to 20002233425 its reverse (52433220002), we get a palindrome (72435453427).

The spelling of 20002233425 in words is "twenty billion, two million, two hundred thirty-three thousand, four hundred twenty-five".