20373347 has 4 divisors (see below), whose sum is σ = 20924016. Its totient is φ = 19822680.

The previous prime is 20373323. The next prime is 20373371. The reversal of 20373347 is 74337302.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (20373323) and next prime (20373371).

It is a cyclic number.

It is not a de Polignac number, because 20373347 - 2¹⁶ = 20307811 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20373317) 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, 275279 + ... + 275352.

It is an arithmetic number, because the mean of its divisors is an integer number (5231004).

Almost surely, 2^20373347 is an apocalyptic number.

20373347 is a deficient number, since it is larger than the sum of its proper divisors (550669).

20373347 is an equidigital number, since it uses as much as digits as its factorization.

20373347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 550668.

The product of its (nonzero) digits is 10584, while the sum is 29.

The square root of 20373347 is about 4513.6844151979. The cubic root of 20373347 is about 273.1203921849.

The spelling of 20373347 in words is "twenty million, three hundred seventy-three thousand, three hundred forty-seven".