20370065 has 8 divisors (see below), whose sum is σ = 25507008. Its totient is φ = 15587440.

The previous prime is 20370059. The next prime is 20370121. The reversal of 20370065 is 56007302.

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

It is not a de Polignac number, because 20370065 - 2¹⁴ = 20353681 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20370065.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88451 + ... + 88680.

It is an arithmetic number, because the mean of its divisors is an integer number (3188376).

Almost surely, 2^20370065 is an apocalyptic number.

It is an amenable number.

20370065 is a deficient number, since it is larger than the sum of its proper divisors (5136943).

20370065 is a wasteful number, since it uses less digits than its factorization.

20370065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177159.

The product of its (nonzero) digits is 1260, while the sum is 23.

The square root of 20370065 is about 4513.3208394706. The cubic root of 20370065 is about 273.1057254855.

Adding to 20370065 its reverse (56007302), we get a palindrome (76377367).

The spelling of 20370065 in words is "twenty million, three hundred seventy thousand, sixty-five".