20375697 has 8 divisors (see below), whose sum is σ = 27417280. Its totient is φ = 13458960.

The previous prime is 20375633. The next prime is 20375699. The reversal of 20375697 is 79657302.

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

It is not a de Polignac number, because 20375697 - 2⁶ = 20375633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20375699) 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, 30829 + ... + 31482.

It is an arithmetic number, because the mean of its divisors is an integer number (3427160).

Almost surely, 2^20375697 is an apocalyptic number.

It is an amenable number.

20375697 is a deficient number, since it is larger than the sum of its proper divisors (7041583).

20375697 is a wasteful number, since it uses less digits than its factorization.

20375697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62423.

The product of its (nonzero) digits is 79380, while the sum is 39.

The square root of 20375697 is about 4513.9447271760. The cubic root of 20375697 is about 273.1308929672.

The spelling of 20375697 in words is "twenty million, three hundred seventy-five thousand, six hundred ninety-seven".