20370479 has 8 divisors (see below), whose sum is σ = 21575040. Its totient is φ = 19192536.

The previous prime is 20370473. The next prime is 20370487. The reversal of 20370479 is 97407302.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 20370479 - 2⁴ = 20370463 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20370473) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5069 + ... + 8150.

It is an arithmetic number, because the mean of its divisors is an integer number (2696880).

Almost surely, 2^20370479 is an apocalyptic number.

20370479 is a deficient number, since it is larger than the sum of its proper divisors (1204561).

20370479 is a wasteful number, since it uses less digits than its factorization.

20370479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13309.

The product of its (nonzero) digits is 10584, while the sum is 32.

The square root of 20370479 is about 4513.3667034709. The cubic root of 20370479 is about 273.1075756679.

The spelling of 20370479 in words is "twenty million, three hundred seventy thousand, four hundred seventy-nine".