20375465 has 8 divisors (see below), whose sum is σ = 26673408. Its totient is φ = 14818480.

The previous prime is 20375461. The next prime is 20375471. The reversal of 20375465 is 56457302.

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

It is not a de Polignac number, because 20375465 - 2² = 20375461 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20375461) 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, 185177 + ... + 185286.

It is an arithmetic number, because the mean of its divisors is an integer number (3334176).

Almost surely, 2^20375465 is an apocalyptic number.

It is an amenable number.

20375465 is a deficient number, since it is larger than the sum of its proper divisors (6297943).

20375465 is a wasteful number, since it uses less digits than its factorization.

20375465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 370479.

The product of its (nonzero) digits is 25200, while the sum is 32.

The square root of 20375465 is about 4513.9190289592. The cubic root of 20375465 is about 273.1298563301.

The spelling of 20375465 in words is "twenty million, three hundred seventy-five thousand, four hundred sixty-five".