20007746422250 has 16 divisors (see below), whose sum is σ = 37454501302920. Its totient is φ = 8003098568800.

The previous prime is 20007746422231. The next prime is 20007746422273. The reversal of 20007746422250 is 5222464770002.

It can be written as a sum of positive squares in 4 ways, for example, as 7341970094449 + 12665776327801 = 2709607^2 + 3558901^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20007746422198 and 20007746422207.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40015492595 + ... + 40015493094.

Almost surely, 2^{20007746422250} is an apocalyptic number.

20007746422250 is a deficient number, since it is larger than the sum of its proper divisors (17446754880670).

20007746422250 is an equidigital number, since it uses as much as digits as its factorization.

20007746422250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80030985706 (or 80030985696 counting only the distinct ones).

The product of its (nonzero) digits is 376320, while the sum is 41.

The spelling of 20007746422250 in words is "twenty trillion, seven billion, seven hundred forty-six million, four hundred twenty-two thousand, two hundred fifty".