20097338738 has 8 divisors (see below), whose sum is σ = 30148712832. Its totient is φ = 10047767796.

The previous prime is 20097338689. The next prime is 20097338743. The reversal of 20097338738 is 83783379002.

It is a happy number.

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

It is a Curzon number.

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, 422570 + ... + 467717.

It is an arithmetic number, because the mean of its divisors is an integer number (3768589104).

Almost surely, 2^20097338738 is an apocalyptic number.

20097338738 is a deficient number, since it is larger than the sum of its proper divisors (10051374094).

20097338738 is a wasteful number, since it uses less digits than its factorization.

20097338738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 901576.

The product of its (nonzero) digits is 1524096, while the sum is 50.

The spelling of 20097338738 in words is "twenty billion, ninety-seven million, three hundred thirty-eight thousand, seven hundred thirty-eight".