20694201 has 16 divisors (see below), whose sum is σ = 30336768. Its totient is φ = 12443600.

The previous prime is 20694199. The next prime is 20694203. The reversal of 20694201 is 10249602.

It is an interprime number because it is at equal distance from previous prime (20694199) and next prime (20694203).

It is a cyclic number.

It is not a de Polignac number, because 20694201 - 2¹ = 20694199 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20694203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1930 + ... + 6716.

It is an arithmetic number, because the mean of its divisors is an integer number (1896048).

Almost surely, 2^20694201 is an apocalyptic number.

It is an amenable number.

20694201 is a deficient number, since it is larger than the sum of its proper divisors (9642567).

20694201 is a wasteful number, since it uses less digits than its factorization.

20694201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4932.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 20694201 is about 4549.0879305637. The cubic root of 20694201 is about 274.5466956171.

The spelling of 20694201 in words is "twenty million, six hundred ninety-four thousand, two hundred one".