20189824437094 has 16 divisors (see below), whose sum is σ = 32616468128160. Its totient is φ = 9317770125120.

The previous prime is 20189824437073. The next prime is 20189824437137. The reversal of 20189824437094 is 49073442898102.

It is a congruent number.

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, 25027999 + ... + 25822090.

It is an arithmetic number, because the mean of its divisors is an integer number (2038529258010).

Almost surely, 2^{20189824437094} is an apocalyptic number.

20189824437094 is a deficient number, since it is larger than the sum of its proper divisors (12426643691066).

20189824437094 is a wasteful number, since it uses less digits than its factorization.

20189824437094 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50865375.

The product of its (nonzero) digits is 27869184, while the sum is 61.

The spelling of 20189824437094 in words is "twenty trillion, one hundred eighty-nine billion, eight hundred twenty-four million, four hundred thirty-seven thousand, ninety-four".