20695371 has 8 divisors (see below), whose sum is σ = 28061760. Its totient is φ = 13562952.

The previous prime is 20695361. The next prime is 20695391. The reversal of 20695371 is 17359602.

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

It is not a de Polignac number, because 20695371 - 2⁷ = 20695243 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20695361) 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, 58285 + ... + 58638.

It is an arithmetic number, because the mean of its divisors is an integer number (3507720).

Almost surely, 2^20695371 is an apocalyptic number.

20695371 is a deficient number, since it is larger than the sum of its proper divisors (7366389).

20695371 is a wasteful number, since it uses less digits than its factorization.

20695371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116985.

The product of its (nonzero) digits is 11340, while the sum is 33.

The square root of 20695371 is about 4549.2165259526. The cubic root of 20695371 is about 274.5518695880.

The spelling of 20695371 in words is "twenty million, six hundred ninety-five thousand, three hundred seventy-one".