20448423414 has 12 divisors (see below), whose sum is σ = 44304917436. Its totient is φ = 6816141132.

The previous prime is 20448423407. The next prime is 20448423419. The reversal of 20448423414 is 41432484402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20448423419) 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, 568011744 + ... + 568011779.

It is an arithmetic number, because the mean of its divisors is an integer number (3692076453).

Almost surely, 2^20448423414 is an apocalyptic number.

20448423414 is an abundant number, since it is smaller than the sum of its proper divisors (23856494022).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20448423414 is a wasteful number, since it uses less digits than its factorization.

20448423414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1136023531 (or 1136023528 counting only the distinct ones).

The product of its (nonzero) digits is 98304, while the sum is 36.

The spelling of 20448423414 in words is "twenty billion, four hundred forty-eight million, four hundred twenty-three thousand, four hundred fourteen".