20113738 has 8 divisors (see below), whose sum is σ = 30225888. Its totient is φ = 10038444.

The previous prime is 20113721. The next prime is 20113747. The reversal of 20113738 is 83731102.

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, 7806 + ... + 10057.

It is an arithmetic number, because the mean of its divisors is an integer number (3778236).

Almost surely, 2^20113738 is an apocalyptic number.

20113738 is a deficient number, since it is larger than the sum of its proper divisors (10112150).

20113738 is a wasteful number, since it uses less digits than its factorization.

20113738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18428.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 20113738 is about 4484.8342221313. The cubic root of 20113738 is about 271.9553433752.

The spelling of 20113738 in words is "twenty million, one hundred thirteen thousand, seven hundred thirty-eight".