20653847194 has 8 divisors (see below), whose sum is σ = 30987597888. Its totient is φ = 10324647900.

The previous prime is 20653847189. The next prime is 20653847261. The reversal of 20653847194 is 49174835602.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1126482 + ... + 1144669.

It is an arithmetic number, because the mean of its divisors is an integer number (3873449736).

It is a 1-persistent number, because it is pandigital, but 2⋅20653847194 = 41307694388 is not.

Almost surely, 2^20653847194 is an apocalyptic number.

20653847194 is a deficient number, since it is larger than the sum of its proper divisors (10333750694).

20653847194 is a wasteful number, since it uses less digits than its factorization.

20653847194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2275700.

The product of its (nonzero) digits is 1451520, while the sum is 49.

The spelling of 20653847194 in words is "twenty billion, six hundred fifty-three million, eight hundred forty-seven thousand, one hundred ninety-four".