20263123625 has 16 divisors (see below), whose sum is σ = 26387876736. Its totient is φ = 15505692400.

The previous prime is 20263123561. The next prime is 20263123631. The reversal of 20263123625 is 52632136202.

It is not a de Polignac number, because 20263123625 - 2⁶ = 20263123561 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20263123591 and 20263123600.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3521147 + ... + 3526896.

It is an arithmetic number, because the mean of its divisors is an integer number (1649242296).

Almost surely, 2^20263123625 is an apocalyptic number.

20263123625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20263123625 is a deficient number, since it is larger than the sum of its proper divisors (6124753111).

20263123625 is an equidigital number, since it uses as much as digits as its factorization.

20263123625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7048081 (or 7048071 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 32.

Adding to 20263123625 its reverse (52632136202), we get a palindrome (72895259827).

The spelling of 20263123625 in words is "twenty billion, two hundred sixty-three million, one hundred twenty-three thousand, six hundred twenty-five".