20091448743576 has 32 divisors (see below), whose sum is σ = 57404139267840. Its totient is φ = 5740413926688.

The previous prime is 20091448743571. The next prime is 20091448743577. The reversal of 20091448743576 is 67534784419002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20091448743571) 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, 59795978236 + ... + 59795978571.

It is an arithmetic number, because the mean of its divisors is an integer number (1793879352120).

It is a 1-persistent number, because it is pandigital, but 2⋅20091448743576 = 40182897487152 is not.

Almost surely, 2^{20091448743576} is an apocalyptic number.

It is an amenable number.

20091448743576 is an abundant number, since it is smaller than the sum of its proper divisors (37312690524264).

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

20091448743576 is a wasteful number, since it uses less digits than its factorization.

20091448743576 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119591956823 (or 119591956819 counting only the distinct ones).

The product of its (nonzero) digits is 40642560, while the sum is 60.

The spelling of 20091448743576 in words is "twenty trillion, ninety-one billion, four hundred forty-eight million, seven hundred forty-three thousand, five hundred seventy-six".