20448828949274 has 16 divisors (see below), whose sum is σ = 33488902694016. Its totient is φ = 9287371528800.

The previous prime is 20448828949243. The next prime is 20448828949277. The reversal of 20448828949274 is 47294982884402.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 20448828949198 and 20448828949207.

It is not an unprimeable number, because it can be changed into a prime (20448828949277) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 377508347 + ... + 377562510.

It is an arithmetic number, because the mean of its divisors is an integer number (2093056418376).

Almost surely, 2^{20448828949274} is an apocalyptic number.

20448828949274 is a deficient number, since it is larger than the sum of its proper divisors (13040073744742).

20448828949274 is a wasteful number, since it uses less digits than its factorization.

20448828949274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 755072101.

The product of its (nonzero) digits is 594542592, while the sum is 71.

The spelling of 20448828949274 in words is "twenty trillion, four hundred forty-eight billion, eight hundred twenty-eight million, nine hundred forty-nine thousand, two hundred seventy-four".