20838044894 has 8 divisors (see below), whose sum is σ = 31288867920. Its totient is φ = 10408422256.

The previous prime is 20838044869. The next prime is 20838044897. The reversal of 20838044894 is 49844083802.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20838044897) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5297639 + ... + 5301570.

It is an arithmetic number, because the mean of its divisors is an integer number (3911108490).

Almost surely, 2^20838044894 is an apocalyptic number.

20838044894 is a deficient number, since it is larger than the sum of its proper divisors (10450823026).

20838044894 is a wasteful number, since it uses less digits than its factorization.

20838044894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10600194.

The product of its (nonzero) digits is 1769472, while the sum is 50.

The spelling of 20838044894 in words is "twenty billion, eight hundred thirty-eight million, forty-four thousand, eight hundred ninety-four".