20096842 has 4 divisors (see below), whose sum is σ = 30145266. Its totient is φ = 10048420.

The previous prime is 20096833. The next prime is 20096863. The reversal of 20096842 is 24869002.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24869002 = 2 ⋅12434501.

It can be written as a sum of positive squares in only one way, i.e., 18481401 + 1615441 = 4299^2 + 1271^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5024209 + ... + 5024212.

Almost surely, 2^20096842 is an apocalyptic number.

20096842 is a deficient number, since it is larger than the sum of its proper divisors (10048424).

20096842 is a wasteful number, since it uses less digits than its factorization.

20096842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10048423.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 20096842 is about 4482.9501447150. The cubic root of 20096842 is about 271.8791724731.

The spelling of 20096842 in words is "twenty million, ninety-six thousand, eight hundred forty-two".